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Finding the Fourth Proportional to 1,342.59, 2,008.85 and 932.52

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Solution

The fourth proportional to 1,342.59, 2,008.85 and 932.52 is: 1,395.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.59 : 2,008.85 = 932.52 : x
  2. Step 2: Convert to fraction form
    1,342.59/2,008.85 = 932.52/x
  3. Step 3: Cross multiply
    1,342.59x = 2,008.85 × 932.52
  4. Step 4: Simplify right side
    1,342.59x = 1,873,288.14
  5. Step 5: Solve for x
    x = 1,873,288.14/1,342.59
  6. Step 6: Final answer
    x = 1,395.28

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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.