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Finding the Fourth Proportional to 9,755.28, 14,620.17 and 3,915.99

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Solution

The fourth proportional to 9,755.28, 14,620.17 and 3,915.99 is: 5,868.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,755.28 : 14,620.17 = 3,915.99 : x
  2. Step 2: Convert to fraction form
    9,755.28/14,620.17 = 3,915.99/x
  3. Step 3: Cross multiply
    9,755.28x = 14,620.17 × 3,915.99
  4. Step 4: Simplify right side
    9,755.28x = 57,252,456.49
  5. Step 5: Solve for x
    x = 57,252,456.49/9,755.28
  6. Step 6: Final answer
    x = 5,868.87

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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.