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Finding the Fourth Proportional to 5,791.61, 8,701.27 and 3,715.70

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Solution

The fourth proportional to 5,791.61, 8,701.27 and 3,715.70 is: 5,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.61 : 8,701.27 = 3,715.70 : x
  2. Step 2: Convert to fraction form
    5,791.61/8,701.27 = 3,715.70/x
  3. Step 3: Cross multiply
    5,791.61x = 8,701.27 × 3,715.70
  4. Step 4: Simplify right side
    5,791.61x = 32,331,256.14
  5. Step 5: Solve for x
    x = 32,331,256.14/5,791.61
  6. Step 6: Final answer
    x = 5,582.43

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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.