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Finding the Fourth Proportional to 8,331.93, 12,503.30 and 3,954.33

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Solution

The fourth proportional to 8,331.93, 12,503.30 and 3,954.33 is: 5,934.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.93 : 12,503.30 = 3,954.33 : x
  2. Step 2: Convert to fraction form
    8,331.93/12,503.30 = 3,954.33/x
  3. Step 3: Cross multiply
    8,331.93x = 12,503.30 × 3,954.33
  4. Step 4: Simplify right side
    8,331.93x = 49,442,154.52
  5. Step 5: Solve for x
    x = 49,442,154.52/8,331.93
  6. Step 6: Final answer
    x = 5,934.06

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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.