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Finding the Fourth Proportional to 3,952.82, 5,929.25 and 1,031.13

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Solution

The fourth proportional to 3,952.82, 5,929.25 and 1,031.13 is: 1,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.82 : 5,929.25 = 1,031.13 : x
  2. Step 2: Convert to fraction form
    3,952.82/5,929.25 = 1,031.13/x
  3. Step 3: Cross multiply
    3,952.82x = 5,929.25 × 1,031.13
  4. Step 4: Simplify right side
    3,952.82x = 6,113,822.40
  5. Step 5: Solve for x
    x = 6,113,822.40/3,952.82
  6. Step 6: Final answer
    x = 1,546.70

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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.