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Finding the Fourth Proportional to 2,332.47, 3,497.31 and 871.74

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Solution

The fourth proportional to 2,332.47, 3,497.31 and 871.74 is: 1,307.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.47 : 3,497.31 = 871.74 : x
  2. Step 2: Convert to fraction form
    2,332.47/3,497.31 = 871.74/x
  3. Step 3: Cross multiply
    2,332.47x = 3,497.31 × 871.74
  4. Step 4: Simplify right side
    2,332.47x = 3,048,745.02
  5. Step 5: Solve for x
    x = 3,048,745.02/2,332.47
  6. Step 6: Final answer
    x = 1,307.09

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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.