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Finding the Fourth Proportional to 17,576.92, 26,359.05 and 8,215.18

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Solution

The fourth proportional to 17,576.92, 26,359.05 and 8,215.18 is: 12,319.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,576.92 : 26,359.05 = 8,215.18 : x
  2. Step 2: Convert to fraction form
    17,576.92/26,359.05 = 8,215.18/x
  3. Step 3: Cross multiply
    17,576.92x = 26,359.05 × 8,215.18
  4. Step 4: Simplify right side
    17,576.92x = 216,544,340.38
  5. Step 5: Solve for x
    x = 216,544,340.38/17,576.92
  6. Step 6: Final answer
    x = 12,319.81

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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.