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Finding the Fourth Proportional to 17,660.67, 26,478.12 and 8,295.87

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Solution

The fourth proportional to 17,660.67, 26,478.12 and 8,295.87 is: 12,437.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,660.67 : 26,478.12 = 8,295.87 : x
  2. Step 2: Convert to fraction form
    17,660.67/26,478.12 = 8,295.87/x
  3. Step 3: Cross multiply
    17,660.67x = 26,478.12 × 8,295.87
  4. Step 4: Simplify right side
    17,660.67x = 219,659,041.36
  5. Step 5: Solve for x
    x = 219,659,041.36/17,660.67
  6. Step 6: Final answer
    x = 12,437.75

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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.