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Finding the Fourth Proportional to 61,956.20, 92,934.30 and 39,794.60

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Solution

The fourth proportional to 61,956.20, 92,934.30 and 39,794.60 is: 59,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,956.20 : 92,934.30 = 39,794.60 : x
  2. Step 2: Convert to fraction form
    61,956.20/92,934.30 = 39,794.60/x
  3. Step 3: Cross multiply
    61,956.20x = 92,934.30 × 39,794.60
  4. Step 4: Simplify right side
    61,956.20x = 3,698,283,294.78
  5. Step 5: Solve for x
    x = 3,698,283,294.78/61,956.20
  6. Step 6: Final answer
    x = 59,691.90

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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.