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Finding the Fourth Proportional to 29,060.72, 40,103.22 and 16,314.20

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Solution

The fourth proportional to 29,060.72, 40,103.22 and 16,314.20 is: 22,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,060.72 : 40,103.22 = 16,314.20 : x
  2. Step 2: Convert to fraction form
    29,060.72/40,103.22 = 16,314.20/x
  3. Step 3: Cross multiply
    29,060.72x = 40,103.22 × 16,314.20
  4. Step 4: Simplify right side
    29,060.72x = 654,251,951.72
  5. Step 5: Solve for x
    x = 654,251,951.72/29,060.72
  6. Step 6: Final answer
    x = 22,513.27

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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.