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Finding the Fourth Proportional to 48,672.38, 67,168.86 and 27,447.50

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Solution

The fourth proportional to 48,672.38, 67,168.86 and 27,447.50 is: 37,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,672.38 : 67,168.86 = 27,447.50 : x
  2. Step 2: Convert to fraction form
    48,672.38/67,168.86 = 27,447.50/x
  3. Step 3: Cross multiply
    48,672.38x = 67,168.86 × 27,447.50
  4. Step 4: Simplify right side
    48,672.38x = 1,843,617,284.85
  5. Step 5: Solve for x
    x = 1,843,617,284.85/48,672.38
  6. Step 6: Final answer
    x = 37,878.10

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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.