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Finding the Fourth Proportional to 2,248.92, 3,374.96 and 788.09

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Solution

The fourth proportional to 2,248.92, 3,374.96 and 788.09 is: 1,182.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.92 : 3,374.96 = 788.09 : x
  2. Step 2: Convert to fraction form
    2,248.92/3,374.96 = 788.09/x
  3. Step 3: Cross multiply
    2,248.92x = 3,374.96 × 788.09
  4. Step 4: Simplify right side
    2,248.92x = 2,659,751.41
  5. Step 5: Solve for x
    x = 2,659,751.41/2,248.92
  6. Step 6: Final answer
    x = 1,182.68

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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.