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Finding the Fourth Proportional to 1,092.08, 1,507.61 and 744.59

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Solution

The fourth proportional to 1,092.08, 1,507.61 and 744.59 is: 1,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.08 : 1,507.61 = 744.59 : x
  2. Step 2: Convert to fraction form
    1,092.08/1,507.61 = 744.59/x
  3. Step 3: Cross multiply
    1,092.08x = 1,507.61 × 744.59
  4. Step 4: Simplify right side
    1,092.08x = 1,122,551.33
  5. Step 5: Solve for x
    x = 1,122,551.33/1,092.08
  6. Step 6: Final answer
    x = 1,027.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.