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Finding the Fourth Proportional to 22,284.70, 33,404.54 and 13,970.55

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Solution

The fourth proportional to 22,284.70, 33,404.54 and 13,970.55 is: 20,941.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,284.70 : 33,404.54 = 13,970.55 : x
  2. Step 2: Convert to fraction form
    22,284.70/33,404.54 = 13,970.55/x
  3. Step 3: Cross multiply
    22,284.70x = 33,404.54 × 13,970.55
  4. Step 4: Simplify right side
    22,284.70x = 466,679,796.30
  5. Step 5: Solve for x
    x = 466,679,796.30/22,284.70
  6. Step 6: Final answer
    x = 20,941.71

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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.