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Finding the Fourth Proportional to 61,239, 91,873.86 and 17,463

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Solution

The fourth proportional to 61,239, 91,873.86 and 17,463 is: 26,198.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,239 : 91,873.86 = 17,463 : x
  2. Step 2: Convert to fraction form
    61,239/91,873.86 = 17,463/x
  3. Step 3: Cross multiply
    61,239x = 91,873.86 × 17,463
  4. Step 4: Simplify right side
    61,239x = 1,604,393,217.18
  5. Step 5: Solve for x
    x = 1,604,393,217.18/61,239
  6. Step 6: Final answer
    x = 26,198.88

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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.