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Finding the Fourth Proportional to 48,890, 67,469.64 and 26,535.44

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Solution

The fourth proportional to 48,890, 67,469.64 and 26,535.44 is: 36,619.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,890 : 67,469.64 = 26,535.44 : x
  2. Step 2: Convert to fraction form
    48,890/67,469.64 = 26,535.44/x
  3. Step 3: Cross multiply
    48,890x = 67,469.64 × 26,535.44
  4. Step 4: Simplify right side
    48,890x = 1,790,336,584.04
  5. Step 5: Solve for x
    x = 1,790,336,584.04/48,890
  6. Step 6: Final answer
    x = 36,619.69

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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.