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Finding the Fourth Proportional to 61,357.26, 92,045.61 and 19,794.54

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Solution

The fourth proportional to 61,357.26, 92,045.61 and 19,794.54 is: 29,694.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,357.26 : 92,045.61 = 19,794.54 : x
  2. Step 2: Convert to fraction form
    61,357.26/92,045.61 = 19,794.54/x
  3. Step 3: Cross multiply
    61,357.26x = 92,045.61 × 19,794.54
  4. Step 4: Simplify right side
    61,357.26x = 1,822,000,508.97
  5. Step 5: Solve for x
    x = 1,822,000,508.97/61,357.26
  6. Step 6: Final answer
    x = 29,694.95

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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.