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Finding the Fourth Proportional to 8,657.27, 12,987.83 and 4,037.75

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Solution

The fourth proportional to 8,657.27, 12,987.83 and 4,037.75 is: 6,057.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657.27 : 12,987.83 = 4,037.75 : x
  2. Step 2: Convert to fraction form
    8,657.27/12,987.83 = 4,037.75/x
  3. Step 3: Cross multiply
    8,657.27x = 12,987.83 × 4,037.75
  4. Step 4: Simplify right side
    8,657.27x = 52,441,610.58
  5. Step 5: Solve for x
    x = 52,441,610.58/8,657.27
  6. Step 6: Final answer
    x = 6,057.52

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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.