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Finding the Fourth Proportional to 1,251.73, 1,874.75 and 1,004.07

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Solution

The fourth proportional to 1,251.73, 1,874.75 and 1,004.07 is: 1,503.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251.73 : 1,874.75 = 1,004.07 : x
  2. Step 2: Convert to fraction form
    1,251.73/1,874.75 = 1,004.07/x
  3. Step 3: Cross multiply
    1,251.73x = 1,874.75 × 1,004.07
  4. Step 4: Simplify right side
    1,251.73x = 1,882,380.23
  5. Step 5: Solve for x
    x = 1,882,380.23/1,251.73
  6. Step 6: Final answer
    x = 1,503.82

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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.