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Finding the Fourth Proportional to 17,659.70, 26,489.48 and 5,972.76

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Solution

The fourth proportional to 17,659.70, 26,489.48 and 5,972.76 is: 8,959.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,659.70 : 26,489.48 = 5,972.76 : x
  2. Step 2: Convert to fraction form
    17,659.70/26,489.48 = 5,972.76/x
  3. Step 3: Cross multiply
    17,659.70x = 26,489.48 × 5,972.76
  4. Step 4: Simplify right side
    17,659.70x = 158,215,306.56
  5. Step 5: Solve for x
    x = 158,215,306.56/17,659.70
  6. Step 6: Final answer
    x = 8,959.12

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1.5x scale

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.