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Finding the Fourth Proportional to 1,034.62, 1,427.87 and 592.43

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Solution

The fourth proportional to 1,034.62, 1,427.87 and 592.43 is: 817.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.62 : 1,427.87 = 592.43 : x
  2. Step 2: Convert to fraction form
    1,034.62/1,427.87 = 592.43/x
  3. Step 3: Cross multiply
    1,034.62x = 1,427.87 × 592.43
  4. Step 4: Simplify right side
    1,034.62x = 845,913.02
  5. Step 5: Solve for x
    x = 845,913.02/1,034.62
  6. Step 6: Final answer
    x = 817.61

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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.