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Finding the Fourth Proportional to 38,843.92, 58,265.91 and 16,642.90

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Solution

The fourth proportional to 38,843.92, 58,265.91 and 16,642.90 is: 24,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,843.92 : 58,265.91 = 16,642.90 : x
  2. Step 2: Convert to fraction form
    38,843.92/58,265.91 = 16,642.90/x
  3. Step 3: Cross multiply
    38,843.92x = 58,265.91 × 16,642.90
  4. Step 4: Simplify right side
    38,843.92x = 969,713,713.54
  5. Step 5: Solve for x
    x = 969,713,713.54/38,843.92
  6. Step 6: Final answer
    x = 24,964.36

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1.5x scale

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.