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Finding the Fourth Proportional to 2,751.48, 4,124.52 and 1,107

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Solution

The fourth proportional to 2,751.48, 4,124.52 and 1,107 is: 1,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.48 : 4,124.52 = 1,107 : x
  2. Step 2: Convert to fraction form
    2,751.48/4,124.52 = 1,107/x
  3. Step 3: Cross multiply
    2,751.48x = 4,124.52 × 1,107
  4. Step 4: Simplify right side
    2,751.48x = 4,565,843.64
  5. Step 5: Solve for x
    x = 4,565,843.64/2,751.48
  6. Step 6: Final answer
    x = 1,659.41

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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.