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Finding the Fourth Proportional to 40,798.78, 61,201.14 and 17,082.48

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Solution

The fourth proportional to 40,798.78, 61,201.14 and 17,082.48 is: 25,624.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,798.78 : 61,201.14 = 17,082.48 : x
  2. Step 2: Convert to fraction form
    40,798.78/61,201.14 = 17,082.48/x
  3. Step 3: Cross multiply
    40,798.78x = 61,201.14 × 17,082.48
  4. Step 4: Simplify right side
    40,798.78x = 1,045,467,250.03
  5. Step 5: Solve for x
    x = 1,045,467,250.03/40,798.78
  6. Step 6: Final answer
    x = 25,624.96

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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.