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Finding the Fourth Proportional to 29,225.92, 40,321.92 and 16,641.76

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Solution

The fourth proportional to 29,225.92, 40,321.92 and 16,641.76 is: 22,960.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,225.92 : 40,321.92 = 16,641.76 : x
  2. Step 2: Convert to fraction form
    29,225.92/40,321.92 = 16,641.76/x
  3. Step 3: Cross multiply
    29,225.92x = 40,321.92 × 16,641.76
  4. Step 4: Simplify right side
    29,225.92x = 671,027,715.38
  5. Step 5: Solve for x
    x = 671,027,715.38/29,225.92
  6. Step 6: Final answer
    x = 22,960.02

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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.