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Finding the Fourth Proportional to 8,772.04, 13,158.33 and 3,839.14

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Solution

The fourth proportional to 8,772.04, 13,158.33 and 3,839.14 is: 5,758.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.04 : 13,158.33 = 3,839.14 : x
  2. Step 2: Convert to fraction form
    8,772.04/13,158.33 = 3,839.14/x
  3. Step 3: Cross multiply
    8,772.04x = 13,158.33 × 3,839.14
  4. Step 4: Simplify right side
    8,772.04x = 50,516,671.04
  5. Step 5: Solve for x
    x = 50,516,671.04/8,772.04
  6. Step 6: Final answer
    x = 5,758.83

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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.