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Finding the Fourth Proportional to 40,672.60, 61,034.82 and 17,299

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Solution

The fourth proportional to 40,672.60, 61,034.82 and 17,299 is: 25,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,672.60 : 61,034.82 = 17,299 : x
  2. Step 2: Convert to fraction form
    40,672.60/61,034.82 = 17,299/x
  3. Step 3: Cross multiply
    40,672.60x = 61,034.82 × 17,299
  4. Step 4: Simplify right side
    40,672.60x = 1,055,841,351.18
  5. Step 5: Solve for x
    x = 1,055,841,351.18/40,672.60
  6. Step 6: Final answer
    x = 25,959.52

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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.