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Finding the Fourth Proportional to 62,487.96, 86,235.42 and 34,193.64

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Solution

The fourth proportional to 62,487.96, 86,235.42 and 34,193.64 is: 47,188.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,487.96 : 86,235.42 = 34,193.64 : x
  2. Step 2: Convert to fraction form
    62,487.96/86,235.42 = 34,193.64/x
  3. Step 3: Cross multiply
    62,487.96x = 86,235.42 × 34,193.64
  4. Step 4: Simplify right side
    62,487.96x = 2,948,702,906.73
  5. Step 5: Solve for x
    x = 2,948,702,906.73/62,487.96
  6. Step 6: Final answer
    x = 47,188.34

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1.5x scale

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.