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Finding the Fourth Proportional to 2,295.54, 3,167.85 and 1,247.60

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Solution

The fourth proportional to 2,295.54, 3,167.85 and 1,247.60 is: 1,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.54 : 3,167.85 = 1,247.60 : x
  2. Step 2: Convert to fraction form
    2,295.54/3,167.85 = 1,247.60/x
  3. Step 3: Cross multiply
    2,295.54x = 3,167.85 × 1,247.60
  4. Step 4: Simplify right side
    2,295.54x = 3,952,209.66
  5. Step 5: Solve for x
    x = 3,952,209.66/2,295.54
  6. Step 6: Final answer
    x = 1,721.69

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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.