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Finding the Fourth Proportional to 1,024.25, 1,538.82 and 591.71

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Solution

The fourth proportional to 1,024.25, 1,538.82 and 591.71 is: 888.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.25 : 1,538.82 = 591.71 : x
  2. Step 2: Convert to fraction form
    1,024.25/1,538.82 = 591.71/x
  3. Step 3: Cross multiply
    1,024.25x = 1,538.82 × 591.71
  4. Step 4: Simplify right side
    1,024.25x = 910,527.49
  5. Step 5: Solve for x
    x = 910,527.49/1,024.25
  6. Step 6: Final answer
    x = 888.97

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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.