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Finding the Fourth Proportional to 1,332.87, 1,839.40 and 735.41

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Solution

The fourth proportional to 1,332.87, 1,839.40 and 735.41 is: 1,014.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.87 : 1,839.40 = 735.41 : x
  2. Step 2: Convert to fraction form
    1,332.87/1,839.40 = 735.41/x
  3. Step 3: Cross multiply
    1,332.87x = 1,839.40 × 735.41
  4. Step 4: Simplify right side
    1,332.87x = 1,352,704.88
  5. Step 5: Solve for x
    x = 1,352,704.88/1,332.87
  6. Step 6: Final answer
    x = 1,014.88

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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.