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Finding the Fourth Proportional to 29,489.52, 40,693.68 and 16,741.20

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Solution

The fourth proportional to 29,489.52, 40,693.68 and 16,741.20 is: 23,101.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,489.52 : 40,693.68 = 16,741.20 : x
  2. Step 2: Convert to fraction form
    29,489.52/40,693.68 = 16,741.20/x
  3. Step 3: Cross multiply
    29,489.52x = 40,693.68 × 16,741.20
  4. Step 4: Simplify right side
    29,489.52x = 681,261,035.62
  5. Step 5: Solve for x
    x = 681,261,035.62/29,489.52
  6. Step 6: Final answer
    x = 23,101.80

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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.