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Finding the Fourth Proportional to 49,354.92, 68,092.92 and 28,118.88

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Solution

The fourth proportional to 49,354.92, 68,092.92 and 28,118.88 is: 38,794.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,354.92 : 68,092.92 = 28,118.88 : x
  2. Step 2: Convert to fraction form
    49,354.92/68,092.92 = 28,118.88/x
  3. Step 3: Cross multiply
    49,354.92x = 68,092.92 × 28,118.88
  4. Step 4: Simplify right side
    49,354.92x = 1,914,696,646.33
  5. Step 5: Solve for x
    x = 1,914,696,646.33/49,354.92
  6. Step 6: Final answer
    x = 38,794.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.