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Finding the Fourth Proportional to 1,251.38, 1,874.55 and 592.26

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Solution

The fourth proportional to 1,251.38, 1,874.55 and 592.26 is: 887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251.38 : 1,874.55 = 592.26 : x
  2. Step 2: Convert to fraction form
    1,251.38/1,874.55 = 592.26/x
  3. Step 3: Cross multiply
    1,251.38x = 1,874.55 × 592.26
  4. Step 4: Simplify right side
    1,251.38x = 1,110,220.98
  5. Step 5: Solve for x
    x = 1,110,220.98/1,251.38
  6. Step 6: Final answer
    x = 887.20

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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.