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Finding the Fourth Proportional to 70,998.96, 106,523.52 and 31,552.48

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Solution

The fourth proportional to 70,998.96, 106,523.52 and 31,552.48 is: 47,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,998.96 : 106,523.52 = 31,552.48 : x
  2. Step 2: Convert to fraction form
    70,998.96/106,523.52 = 31,552.48/x
  3. Step 3: Cross multiply
    70,998.96x = 106,523.52 × 31,552.48
  4. Step 4: Simplify right side
    70,998.96x = 3,361,081,234.33
  5. Step 5: Solve for x
    x = 3,361,081,234.33/70,998.96
  6. Step 6: Final answer
    x = 47,339.87

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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.