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Finding the Fourth Proportional to 22,065.98, 33,102.60 and 7,275.78

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Solution

The fourth proportional to 22,065.98, 33,102.60 and 7,275.78 is: 10,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,065.98 : 33,102.60 = 7,275.78 : x
  2. Step 2: Convert to fraction form
    22,065.98/33,102.60 = 7,275.78/x
  3. Step 3: Cross multiply
    22,065.98x = 33,102.60 × 7,275.78
  4. Step 4: Simplify right side
    22,065.98x = 240,847,235.03
  5. Step 5: Solve for x
    x = 240,847,235.03/22,065.98
  6. Step 6: Final answer
    x = 10,914.87

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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.