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Finding the Fourth Proportional to 61,394.70, 92,092.05 and 21,949.42

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Solution

The fourth proportional to 61,394.70, 92,092.05 and 21,949.42 is: 32,924.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,394.70 : 92,092.05 = 21,949.42 : x
  2. Step 2: Convert to fraction form
    61,394.70/92,092.05 = 21,949.42/x
  3. Step 3: Cross multiply
    61,394.70x = 92,092.05 × 21,949.42
  4. Step 4: Simplify right side
    61,394.70x = 2,021,367,084.11
  5. Step 5: Solve for x
    x = 2,021,367,084.11/61,394.70
  6. Step 6: Final answer
    x = 32,924.13

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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.