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Finding the Fourth Proportional to 26,472.70, 39,672.60 and 17,562.70

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Solution

The fourth proportional to 26,472.70, 39,672.60 and 17,562.70 is: 26,319.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,472.70 : 39,672.60 = 17,562.70 : x
  2. Step 2: Convert to fraction form
    26,472.70/39,672.60 = 17,562.70/x
  3. Step 3: Cross multiply
    26,472.70x = 39,672.60 × 17,562.70
  4. Step 4: Simplify right side
    26,472.70x = 696,757,972.02
  5. Step 5: Solve for x
    x = 696,757,972.02/26,472.70
  6. Step 6: Final answer
    x = 26,319.87

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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.