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Finding the Fourth Proportional to 6,575.28, 9,073.62 and 3,591

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Solution

The fourth proportional to 6,575.28, 9,073.62 and 3,591 is: 4,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,575.28 : 9,073.62 = 3,591 : x
  2. Step 2: Convert to fraction form
    6,575.28/9,073.62 = 3,591/x
  3. Step 3: Cross multiply
    6,575.28x = 9,073.62 × 3,591
  4. Step 4: Simplify right side
    6,575.28x = 32,583,369.42
  5. Step 5: Solve for x
    x = 32,583,369.42/6,575.28
  6. Step 6: Final answer
    x = 4,955.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.