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Finding the Fourth Proportional to 61,301.24, 91,951.88 and 19,748.24

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Solution

The fourth proportional to 61,301.24, 91,951.88 and 19,748.24 is: 29,622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,301.24 : 91,951.88 = 19,748.24 : x
  2. Step 2: Convert to fraction form
    61,301.24/91,951.88 = 19,748.24/x
  3. Step 3: Cross multiply
    61,301.24x = 91,951.88 × 19,748.24
  4. Step 4: Simplify right side
    61,301.24x = 1,815,887,794.69
  5. Step 5: Solve for x
    x = 1,815,887,794.69/61,301.24
  6. Step 6: Final answer
    x = 29,622.37

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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.