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Finding the Fourth Proportional to 1,593.43, 2,391.31 and 901.45

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Solution

The fourth proportional to 1,593.43, 2,391.31 and 901.45 is: 1,352.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.43 : 2,391.31 = 901.45 : x
  2. Step 2: Convert to fraction form
    1,593.43/2,391.31 = 901.45/x
  3. Step 3: Cross multiply
    1,593.43x = 2,391.31 × 901.45
  4. Step 4: Simplify right side
    1,593.43x = 2,155,651.69
  5. Step 5: Solve for x
    x = 2,155,651.69/1,593.43
  6. Step 6: Final answer
    x = 1,352.83

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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.