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Finding the Fourth Proportional to 2,280.59, 3,147.21 and 1,232.65

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Solution

The fourth proportional to 2,280.59, 3,147.21 and 1,232.65 is: 1,701.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.59 : 3,147.21 = 1,232.65 : x
  2. Step 2: Convert to fraction form
    2,280.59/3,147.21 = 1,232.65/x
  3. Step 3: Cross multiply
    2,280.59x = 3,147.21 × 1,232.65
  4. Step 4: Simplify right side
    2,280.59x = 3,879,406.96
  5. Step 5: Solve for x
    x = 3,879,406.96/2,280.59
  6. Step 6: Final answer
    x = 1,701.06

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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.