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Finding the Fourth Proportional to 1,652.52, 2,280.42 and 906.44

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Solution

The fourth proportional to 1,652.52, 2,280.42 and 906.44 is: 1,250.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.52 : 2,280.42 = 906.44 : x
  2. Step 2: Convert to fraction form
    1,652.52/2,280.42 = 906.44/x
  3. Step 3: Cross multiply
    1,652.52x = 2,280.42 × 906.44
  4. Step 4: Simplify right side
    1,652.52x = 2,067,063.90
  5. Step 5: Solve for x
    x = 2,067,063.90/1,652.52
  6. Step 6: Final answer
    x = 1,250.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.