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Finding the Fourth Proportional to 41,871.39, 62,755.98 and 19,655.11

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Solution

The fourth proportional to 41,871.39, 62,755.98 and 19,655.11 is: 29,458.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,871.39 : 62,755.98 = 19,655.11 : x
  2. Step 2: Convert to fraction form
    41,871.39/62,755.98 = 19,655.11/x
  3. Step 3: Cross multiply
    41,871.39x = 62,755.98 × 19,655.11
  4. Step 4: Simplify right side
    41,871.39x = 1,233,475,690.06
  5. Step 5: Solve for x
    x = 1,233,475,690.06/41,871.39
  6. Step 6: Final answer
    x = 29,458.68

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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.