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Finding the Fourth Proportional to 1,034.03, 1,426.22 and 635.71

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Solution

The fourth proportional to 1,034.03, 1,426.22 and 635.71 is: 876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.03 : 1,426.22 = 635.71 : x
  2. Step 2: Convert to fraction form
    1,034.03/1,426.22 = 635.71/x
  3. Step 3: Cross multiply
    1,034.03x = 1,426.22 × 635.71
  4. Step 4: Simplify right side
    1,034.03x = 906,652.01
  5. Step 5: Solve for x
    x = 906,652.01/1,034.03
  6. Step 6: Final answer
    x = 876.82

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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.