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Finding the Fourth Proportional to 17,251.56, 25,859.91 and 6,715.00

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Solution

The fourth proportional to 17,251.56, 25,859.91 and 6,715.00 is: 10,065.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,251.56 : 25,859.91 = 6,715.00 : x
  2. Step 2: Convert to fraction form
    17,251.56/25,859.91 = 6,715.00/x
  3. Step 3: Cross multiply
    17,251.56x = 25,859.91 × 6,715.00
  4. Step 4: Simplify right side
    17,251.56x = 173,649,315.38
  5. Step 5: Solve for x
    x = 173,649,315.38/17,251.56
  6. Step 6: Final answer
    x = 10,065.72

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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.