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Finding the Fourth Proportional to 48,163.60, 72,248.24 and 18,581.59

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Solution

The fourth proportional to 48,163.60, 72,248.24 and 18,581.59 is: 27,873.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,163.60 : 72,248.24 = 18,581.59 : x
  2. Step 2: Convert to fraction form
    48,163.60/72,248.24 = 18,581.59/x
  3. Step 3: Cross multiply
    48,163.60x = 72,248.24 × 18,581.59
  4. Step 4: Simplify right side
    48,163.60x = 1,342,487,173.90
  5. Step 5: Solve for x
    x = 1,342,487,173.90/48,163.60
  6. Step 6: Final answer
    x = 27,873.48

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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.