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Finding the Fourth Proportional to 2,654.56, 3,659.84 and 1,708.66

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Solution

The fourth proportional to 2,654.56, 3,659.84 and 1,708.66 is: 2,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.56 : 3,659.84 = 1,708.66 : x
  2. Step 2: Convert to fraction form
    2,654.56/3,659.84 = 1,708.66/x
  3. Step 3: Cross multiply
    2,654.56x = 3,659.84 × 1,708.66
  4. Step 4: Simplify right side
    2,654.56x = 6,253,403.92
  5. Step 5: Solve for x
    x = 6,253,403.92/2,654.56
  6. Step 6: Final answer
    x = 2,355.73

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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.