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Finding the Fourth Proportional to 2,332.62, 3,498.82 and 871.66

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Solution

The fourth proportional to 2,332.62, 3,498.82 and 871.66 is: 1,307.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.62 : 3,498.82 = 871.66 : x
  2. Step 2: Convert to fraction form
    2,332.62/3,498.82 = 871.66/x
  3. Step 3: Cross multiply
    2,332.62x = 3,498.82 × 871.66
  4. Step 4: Simplify right side
    2,332.62x = 3,049,781.44
  5. Step 5: Solve for x
    x = 3,049,781.44/2,332.62
  6. Step 6: Final answer
    x = 1,307.45

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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.