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Finding the Fourth Proportional to 17,881.74, 26,824.98 and 6,635.52

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Solution

The fourth proportional to 17,881.74, 26,824.98 and 6,635.52 is: 9,954.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,881.74 : 26,824.98 = 6,635.52 : x
  2. Step 2: Convert to fraction form
    17,881.74/26,824.98 = 6,635.52/x
  3. Step 3: Cross multiply
    17,881.74x = 26,824.98 × 6,635.52
  4. Step 4: Simplify right side
    17,881.74x = 177,997,691.29
  5. Step 5: Solve for x
    x = 177,997,691.29/17,881.74
  6. Step 6: Final answer
    x = 9,954.16

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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.