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Finding the Fourth Proportional to 71,424.92, 98,540.98 and 41,217.89

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Solution

The fourth proportional to 71,424.92, 98,540.98 and 41,217.89 is: 56,866.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,424.92 : 98,540.98 = 41,217.89 : x
  2. Step 2: Convert to fraction form
    71,424.92/98,540.98 = 41,217.89/x
  3. Step 3: Cross multiply
    71,424.92x = 98,540.98 × 41,217.89
  4. Step 4: Simplify right side
    71,424.92x = 4,061,650,678.38
  5. Step 5: Solve for x
    x = 4,061,650,678.38/71,424.92
  6. Step 6: Final answer
    x = 56,866.01

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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.