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Finding the Fourth Proportional to 1,368.01, 2,049.52 and 752.46

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Solution

The fourth proportional to 1,368.01, 2,049.52 and 752.46 is: 1,127.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368.01 : 2,049.52 = 752.46 : x
  2. Step 2: Convert to fraction form
    1,368.01/2,049.52 = 752.46/x
  3. Step 3: Cross multiply
    1,368.01x = 2,049.52 × 752.46
  4. Step 4: Simplify right side
    1,368.01x = 1,542,187.78
  5. Step 5: Solve for x
    x = 1,542,187.78/1,368.01
  6. Step 6: Final answer
    x = 1,127.32

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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.