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Finding the Fourth Proportional to 29,658.46, 40,928.66 and 16,229.71

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Solution

The fourth proportional to 29,658.46, 40,928.66 and 16,229.71 is: 22,397.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,658.46 : 40,928.66 = 16,229.71 : x
  2. Step 2: Convert to fraction form
    29,658.46/40,928.66 = 16,229.71/x
  3. Step 3: Cross multiply
    29,658.46x = 40,928.66 × 16,229.71
  4. Step 4: Simplify right side
    29,658.46x = 664,260,404.65
  5. Step 5: Solve for x
    x = 664,260,404.65/29,658.46
  6. Step 6: Final answer
    x = 22,397.00

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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.