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Finding the Fourth Proportional to 1,334.29, 1,841.36 and 744.88

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Solution

The fourth proportional to 1,334.29, 1,841.36 and 744.88 is: 1,027.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.29 : 1,841.36 = 744.88 : x
  2. Step 2: Convert to fraction form
    1,334.29/1,841.36 = 744.88/x
  3. Step 3: Cross multiply
    1,334.29x = 1,841.36 × 744.88
  4. Step 4: Simplify right side
    1,334.29x = 1,371,592.24
  5. Step 5: Solve for x
    x = 1,371,592.24/1,334.29
  6. Step 6: Final answer
    x = 1,027.96

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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.