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Finding the Fourth Proportional to 48,893.15, 67,475.90 and 27,672.41

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Solution

The fourth proportional to 48,893.15, 67,475.90 and 27,672.41 is: 38,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,893.15 : 67,475.90 = 27,672.41 : x
  2. Step 2: Convert to fraction form
    48,893.15/67,475.90 = 27,672.41/x
  3. Step 3: Cross multiply
    48,893.15x = 67,475.90 × 27,672.41
  4. Step 4: Simplify right side
    48,893.15x = 1,867,221,007.79
  5. Step 5: Solve for x
    x = 1,867,221,007.79/48,893.15
  6. Step 6: Final answer
    x = 38,189.83

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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.