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Finding the Fourth Proportional to 41,203.34, 61,805.13 and 11,621.17

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Solution

The fourth proportional to 41,203.34, 61,805.13 and 11,621.17 is: 17,431.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,203.34 : 61,805.13 = 11,621.17 : x
  2. Step 2: Convert to fraction form
    41,203.34/61,805.13 = 11,621.17/x
  3. Step 3: Cross multiply
    41,203.34x = 61,805.13 × 11,621.17
  4. Step 4: Simplify right side
    41,203.34x = 718,248,029.82
  5. Step 5: Solve for x
    x = 718,248,029.82/41,203.34
  6. Step 6: Final answer
    x = 17,431.79

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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.