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Finding the Fourth Proportional to 48,010.60, 72,015.90 and 40,234.60

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Solution

The fourth proportional to 48,010.60, 72,015.90 and 40,234.60 is: 60,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,010.60 : 72,015.90 = 40,234.60 : x
  2. Step 2: Convert to fraction form
    48,010.60/72,015.90 = 40,234.60/x
  3. Step 3: Cross multiply
    48,010.60x = 72,015.90 × 40,234.60
  4. Step 4: Simplify right side
    48,010.60x = 2,897,530,930.14
  5. Step 5: Solve for x
    x = 2,897,530,930.14/48,010.60
  6. Step 6: Final answer
    x = 60,351.90

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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.