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Finding the Fourth Proportional to 52,489.57, 72,432.99 and 29,825.59

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Solution

The fourth proportional to 52,489.57, 72,432.99 and 29,825.59 is: 41,157.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,489.57 : 72,432.99 = 29,825.59 : x
  2. Step 2: Convert to fraction form
    52,489.57/72,432.99 = 29,825.59/x
  3. Step 3: Cross multiply
    52,489.57x = 72,432.99 × 29,825.59
  4. Step 4: Simplify right side
    52,489.57x = 2,160,356,662.21
  5. Step 5: Solve for x
    x = 2,160,356,662.21/52,489.57
  6. Step 6: Final answer
    x = 41,157.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.