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Finding the Fourth Proportional to 29,931.72, 41,305.10 and 16,502.73

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Solution

The fourth proportional to 29,931.72, 41,305.10 and 16,502.73 is: 22,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,931.72 : 41,305.10 = 16,502.73 : x
  2. Step 2: Convert to fraction form
    29,931.72/41,305.10 = 16,502.73/x
  3. Step 3: Cross multiply
    29,931.72x = 41,305.10 × 16,502.73
  4. Step 4: Simplify right side
    29,931.72x = 681,646,912.92
  5. Step 5: Solve for x
    x = 681,646,912.92/29,931.72
  6. Step 6: Final answer
    x = 22,773.40

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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.