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Finding the Fourth Proportional to 29,541.80, 40,767.04 and 16,113.20

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Solution

The fourth proportional to 29,541.80, 40,767.04 and 16,113.20 is: 22,235.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,541.80 : 40,767.04 = 16,113.20 : x
  2. Step 2: Convert to fraction form
    29,541.80/40,767.04 = 16,113.20/x
  3. Step 3: Cross multiply
    29,541.80x = 40,767.04 × 16,113.20
  4. Step 4: Simplify right side
    29,541.80x = 656,887,468.93
  5. Step 5: Solve for x
    x = 656,887,468.93/29,541.80
  6. Step 6: Final answer
    x = 22,235.86

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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.