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Finding the Fourth Proportional to 29,490.55, 40,700.71 and 16,747.92

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Solution

The fourth proportional to 29,490.55, 40,700.71 and 16,747.92 is: 23,114.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,490.55 : 40,700.71 = 16,747.92 : x
  2. Step 2: Convert to fraction form
    29,490.55/40,700.71 = 16,747.92/x
  3. Step 3: Cross multiply
    29,490.55x = 40,700.71 × 16,747.92
  4. Step 4: Simplify right side
    29,490.55x = 681,652,235.02
  5. Step 5: Solve for x
    x = 681,652,235.02/29,490.55
  6. Step 6: Final answer
    x = 23,114.26

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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.