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Finding the Fourth Proportional to 41,677.92, 62,486.64 and 19,478.88

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Solution

The fourth proportional to 41,677.92, 62,486.64 and 19,478.88 is: 29,204.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,677.92 : 62,486.64 = 19,478.88 : x
  2. Step 2: Convert to fraction form
    41,677.92/62,486.64 = 19,478.88/x
  3. Step 3: Cross multiply
    41,677.92x = 62,486.64 × 19,478.88
  4. Step 4: Simplify right side
    41,677.92x = 1,217,169,762.16
  5. Step 5: Solve for x
    x = 1,217,169,762.16/41,677.92
  6. Step 6: Final answer
    x = 29,204.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.