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Finding the Fourth Proportional to 17,713.26, 26,580.06 and 8,948.88

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Solution

The fourth proportional to 17,713.26, 26,580.06 and 8,948.88 is: 13,428.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,713.26 : 26,580.06 = 8,948.88 : x
  2. Step 2: Convert to fraction form
    17,713.26/26,580.06 = 8,948.88/x
  3. Step 3: Cross multiply
    17,713.26x = 26,580.06 × 8,948.88
  4. Step 4: Simplify right side
    17,713.26x = 237,861,767.33
  5. Step 5: Solve for x
    x = 237,861,767.33/17,713.26
  6. Step 6: Final answer
    x = 13,428.46

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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.