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Finding the Fourth Proportional to 62,675.93, 86,487.63 and 34,381.61

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Solution

The fourth proportional to 62,675.93, 86,487.63 and 34,381.61 is: 47,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,675.93 : 86,487.63 = 34,381.61 : x
  2. Step 2: Convert to fraction form
    62,675.93/86,487.63 = 34,381.61/x
  3. Step 3: Cross multiply
    62,675.93x = 86,487.63 × 34,381.61
  4. Step 4: Simplify right side
    62,675.93x = 2,973,584,180.70
  5. Step 5: Solve for x
    x = 2,973,584,180.70/62,675.93
  6. Step 6: Final answer
    x = 47,443.80

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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.