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Finding the Fourth Proportional to 2,449.60, 3,654.44 and 2,015.44

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Solution

The fourth proportional to 2,449.60, 3,654.44 and 2,015.44 is: 3,006.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.60 : 3,654.44 = 2,015.44 : x
  2. Step 2: Convert to fraction form
    2,449.60/3,654.44 = 2,015.44/x
  3. Step 3: Cross multiply
    2,449.60x = 3,654.44 × 2,015.44
  4. Step 4: Simplify right side
    2,449.60x = 7,365,304.55
  5. Step 5: Solve for x
    x = 7,365,304.55/2,449.60
  6. Step 6: Final answer
    x = 3,006.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.