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Finding the Fourth Proportional to 1,400.44, 2,102.28 and 752.44

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Solution

The fourth proportional to 1,400.44, 2,102.28 and 752.44 is: 1,129.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400.44 : 2,102.28 = 752.44 : x
  2. Step 2: Convert to fraction form
    1,400.44/2,102.28 = 752.44/x
  3. Step 3: Cross multiply
    1,400.44x = 2,102.28 × 752.44
  4. Step 4: Simplify right side
    1,400.44x = 1,581,839.56
  5. Step 5: Solve for x
    x = 1,581,839.56/1,400.44
  6. Step 6: Final answer
    x = 1,129.53

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.