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Finding the Fourth Proportional to 3,951.08, 5,929.68 and 1,488.14

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Solution

The fourth proportional to 3,951.08, 5,929.68 and 1,488.14 is: 2,233.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.08 : 5,929.68 = 1,488.14 : x
  2. Step 2: Convert to fraction form
    3,951.08/5,929.68 = 1,488.14/x
  3. Step 3: Cross multiply
    3,951.08x = 5,929.68 × 1,488.14
  4. Step 4: Simplify right side
    3,951.08x = 8,824,194.00
  5. Step 5: Solve for x
    x = 8,824,194.00/3,951.08
  6. Step 6: Final answer
    x = 2,233.36

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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.