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Finding the Fourth Proportional to 3,248.61, 4,866.42 and 2,505.60

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Solution

The fourth proportional to 3,248.61, 4,866.42 and 2,505.60 is: 3,753.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.61 : 4,866.42 = 2,505.60 : x
  2. Step 2: Convert to fraction form
    3,248.61/4,866.42 = 2,505.60/x
  3. Step 3: Cross multiply
    3,248.61x = 4,866.42 × 2,505.60
  4. Step 4: Simplify right side
    3,248.61x = 12,193,301.95
  5. Step 5: Solve for x
    x = 12,193,301.95/3,248.61
  6. Step 6: Final answer
    x = 3,753.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.