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Finding the Fourth Proportional to 17,487.56, 26,220.92 and 6,951.92

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Solution

The fourth proportional to 17,487.56, 26,220.92 and 6,951.92 is: 10,423.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487.56 : 26,220.92 = 6,951.92 : x
  2. Step 2: Convert to fraction form
    17,487.56/26,220.92 = 6,951.92/x
  3. Step 3: Cross multiply
    17,487.56x = 26,220.92 × 6,951.92
  4. Step 4: Simplify right side
    17,487.56x = 182,285,738.17
  5. Step 5: Solve for x
    x = 182,285,738.17/17,487.56
  6. Step 6: Final answer
    x = 10,423.74

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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.