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Finding the Fourth Proportional to 17,615.56, 26,425.50 and 8,250.76

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Solution

The fourth proportional to 17,615.56, 26,425.50 and 8,250.76 is: 12,377.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,615.56 : 26,425.50 = 8,250.76 : x
  2. Step 2: Convert to fraction form
    17,615.56/26,425.50 = 8,250.76/x
  3. Step 3: Cross multiply
    17,615.56x = 26,425.50 × 8,250.76
  4. Step 4: Simplify right side
    17,615.56x = 218,030,458.38
  5. Step 5: Solve for x
    x = 218,030,458.38/17,615.56
  6. Step 6: Final answer
    x = 12,377.15

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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.