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Finding the Fourth Proportional to 22,147,515.90, 33,221,273.85 and 22,147,515.90

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Solution

The fourth proportional to 22,147,515.90, 33,221,273.85 and 22,147,515.90 is: 33,221,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147,515.90 : 33,221,273.85 = 22,147,515.90 : x
  2. Step 2: Convert to fraction form
    22,147,515.90/33,221,273.85 = 22,147,515.90/x
  3. Step 3: Cross multiply
    22,147,515.90x = 33,221,273.85 × 22,147,515.90
  4. Step 4: Simplify right side
    22,147,515.90x = 735,768,690,811,129.25
  5. Step 5: Solve for x
    x = 735,768,690,811,129.25/22,147,515.90
  6. Step 6: Final answer
    x = 33,221,273.85

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.