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Finding the Fourth Proportional to 8,092.71, 12,132.45 and 3,708.99

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Solution

The fourth proportional to 8,092.71, 12,132.45 and 3,708.99 is: 5,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,092.71 : 12,132.45 = 3,708.99 : x
  2. Step 2: Convert to fraction form
    8,092.71/12,132.45 = 3,708.99/x
  3. Step 3: Cross multiply
    8,092.71x = 12,132.45 × 3,708.99
  4. Step 4: Simplify right side
    8,092.71x = 44,999,135.73
  5. Step 5: Solve for x
    x = 44,999,135.73/8,092.71
  6. Step 6: Final answer
    x = 5,560.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.