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Finding the Fourth Proportional to 40,324.58, 60,499.18 and 20,616.98

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Solution

The fourth proportional to 40,324.58, 60,499.18 and 20,616.98 is: 30,931.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,324.58 : 60,499.18 = 20,616.98 : x
  2. Step 2: Convert to fraction form
    40,324.58/60,499.18 = 20,616.98/x
  3. Step 3: Cross multiply
    40,324.58x = 60,499.18 × 20,616.98
  4. Step 4: Simplify right side
    40,324.58x = 1,247,310,129.74
  5. Step 5: Solve for x
    x = 1,247,310,129.74/40,324.58
  6. Step 6: Final answer
    x = 30,931.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.