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Finding the Fourth Proportional to 2,449.95, 3,380.45 and 1,454.87

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Solution

The fourth proportional to 2,449.95, 3,380.45 and 1,454.87 is: 2,007.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.95 : 3,380.45 = 1,454.87 : x
  2. Step 2: Convert to fraction form
    2,449.95/3,380.45 = 1,454.87/x
  3. Step 3: Cross multiply
    2,449.95x = 3,380.45 × 1,454.87
  4. Step 4: Simplify right side
    2,449.95x = 4,918,091.11
  5. Step 5: Solve for x
    x = 4,918,091.11/2,449.95
  6. Step 6: Final answer
    x = 2,007.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.