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Finding the Fourth Proportional to 73,272.96, 109,885.32 and 25,879.44

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Solution

The fourth proportional to 73,272.96, 109,885.32 and 25,879.44 is: 38,810.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,272.96 : 109,885.32 = 25,879.44 : x
  2. Step 2: Convert to fraction form
    73,272.96/109,885.32 = 25,879.44/x
  3. Step 3: Cross multiply
    73,272.96x = 109,885.32 × 25,879.44
  4. Step 4: Simplify right side
    73,272.96x = 2,843,770,545.82
  5. Step 5: Solve for x
    x = 2,843,770,545.82/73,272.96
  6. Step 6: Final answer
    x = 38,810.64

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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.