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Finding the Fourth Proportional to 10,076.85, 15,117.84 and 5,920.37

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Solution

The fourth proportional to 10,076.85, 15,117.84 and 5,920.37 is: 8,882.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.85 : 15,117.84 = 5,920.37 : x
  2. Step 2: Convert to fraction form
    10,076.85/15,117.84 = 5,920.37/x
  3. Step 3: Cross multiply
    10,076.85x = 15,117.84 × 5,920.37
  4. Step 4: Simplify right side
    10,076.85x = 89,503,176.80
  5. Step 5: Solve for x
    x = 89,503,176.80/10,076.85
  6. Step 6: Final answer
    x = 8,882.06

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