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Finding the Fourth Proportional to 17,652.65, 26,466.15 and 8,287.85

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Solution

The fourth proportional to 17,652.65, 26,466.15 and 8,287.85 is: 12,425.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,652.65 : 26,466.15 = 8,287.85 : x
  2. Step 2: Convert to fraction form
    17,652.65/26,466.15 = 8,287.85/x
  3. Step 3: Cross multiply
    17,652.65x = 26,466.15 × 8,287.85
  4. Step 4: Simplify right side
    17,652.65x = 219,347,481.28
  5. Step 5: Solve for x
    x = 219,347,481.28/17,652.65
  6. Step 6: Final answer
    x = 12,425.75

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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.