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Finding the Fourth Proportional to 62,462.80, 86,200.72 and 34,167.84

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Solution

The fourth proportional to 62,462.80, 86,200.72 and 34,167.84 is: 47,152.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,462.80 : 86,200.72 = 34,167.84 : x
  2. Step 2: Convert to fraction form
    62,462.80/86,200.72 = 34,167.84/x
  3. Step 3: Cross multiply
    62,462.80x = 86,200.72 × 34,167.84
  4. Step 4: Simplify right side
    62,462.80x = 2,945,292,408.84
  5. Step 5: Solve for x
    x = 2,945,292,408.84/62,462.80
  6. Step 6: Final answer
    x = 47,152.74

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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.