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Finding the Fourth Proportional to 62,593.67, 86,328.99 and 55,023.90

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Solution

The fourth proportional to 62,593.67, 86,328.99 and 55,023.90 is: 75,888.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,593.67 : 86,328.99 = 55,023.90 : x
  2. Step 2: Convert to fraction form
    62,593.67/86,328.99 = 55,023.90/x
  3. Step 3: Cross multiply
    62,593.67x = 86,328.99 × 55,023.90
  4. Step 4: Simplify right side
    62,593.67x = 4,750,157,712.86
  5. Step 5: Solve for x
    x = 4,750,157,712.86/62,593.67
  6. Step 6: Final answer
    x = 75,888.79

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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.