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Finding the Fourth Proportional to 1,648.97, 2,473.97 and 1,031.82

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Solution

The fourth proportional to 1,648.97, 2,473.97 and 1,031.82 is: 1,548.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648.97 : 2,473.97 = 1,031.82 : x
  2. Step 2: Convert to fraction form
    1,648.97/2,473.97 = 1,031.82/x
  3. Step 3: Cross multiply
    1,648.97x = 2,473.97 × 1,031.82
  4. Step 4: Simplify right side
    1,648.97x = 2,552,691.73
  5. Step 5: Solve for x
    x = 2,552,691.73/1,648.97
  6. Step 6: Final answer
    x = 1,548.05

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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.