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Finding the Fourth Proportional to 17,948.48, 26,922.78 and 8,708

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Solution

The fourth proportional to 17,948.48, 26,922.78 and 8,708 is: 13,062.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,948.48 : 26,922.78 = 8,708 : x
  2. Step 2: Convert to fraction form
    17,948.48/26,922.78 = 8,708/x
  3. Step 3: Cross multiply
    17,948.48x = 26,922.78 × 8,708
  4. Step 4: Simplify right side
    17,948.48x = 234,443,568.24
  5. Step 5: Solve for x
    x = 234,443,568.24/17,948.48
  6. Step 6: Final answer
    x = 13,062.03

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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.