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Finding the Fourth Proportional to 17,608.98, 26,407.18 and 8,247.40

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Solution

The fourth proportional to 17,608.98, 26,407.18 and 8,247.40 is: 12,368.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,608.98 : 26,407.18 = 8,247.40 : x
  2. Step 2: Convert to fraction form
    17,608.98/26,407.18 = 8,247.40/x
  3. Step 3: Cross multiply
    17,608.98x = 26,407.18 × 8,247.40
  4. Step 4: Simplify right side
    17,608.98x = 217,790,576.33
  5. Step 5: Solve for x
    x = 217,790,576.33/17,608.98
  6. Step 6: Final answer
    x = 12,368.15

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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.