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Finding the Fourth Proportional to 5,731.13, 8,604.68 and 2,959.81

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Solution

The fourth proportional to 5,731.13, 8,604.68 and 2,959.81 is: 4,443.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731.13 : 8,604.68 = 2,959.81 : x
  2. Step 2: Convert to fraction form
    5,731.13/8,604.68 = 2,959.81/x
  3. Step 3: Cross multiply
    5,731.13x = 8,604.68 × 2,959.81
  4. Step 4: Simplify right side
    5,731.13x = 25,468,174.89
  5. Step 5: Solve for x
    x = 25,468,174.89/5,731.13
  6. Step 6: Final answer
    x = 4,443.83

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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.