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Finding the Fourth Proportional to 62,869.86, 86,758.67 and 34,575.57

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Solution

The fourth proportional to 62,869.86, 86,758.67 and 34,575.57 is: 47,713.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,869.86 : 86,758.67 = 34,575.57 : x
  2. Step 2: Convert to fraction form
    62,869.86/86,758.67 = 34,575.57/x
  3. Step 3: Cross multiply
    62,869.86x = 86,758.67 × 34,575.57
  4. Step 4: Simplify right side
    62,869.86x = 2,999,730,554.13
  5. Step 5: Solve for x
    x = 2,999,730,554.13/62,869.86
  6. Step 6: Final answer
    x = 47,713.33

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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.