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Finding the Fourth Proportional to 17,376.78, 26,065.22 and 4,229.13

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Solution

The fourth proportional to 17,376.78, 26,065.22 and 4,229.13 is: 6,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,376.78 : 26,065.22 = 4,229.13 : x
  2. Step 2: Convert to fraction form
    17,376.78/26,065.22 = 4,229.13/x
  3. Step 3: Cross multiply
    17,376.78x = 26,065.22 × 4,229.13
  4. Step 4: Simplify right side
    17,376.78x = 110,233,182.71
  5. Step 5: Solve for x
    x = 110,233,182.71/17,376.78
  6. Step 6: Final answer
    x = 6,343.71

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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.