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Finding the Fourth Proportional to 40,293.20, 60,439.80 and 14,000.60

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Solution

The fourth proportional to 40,293.20, 60,439.80 and 14,000.60 is: 21,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,293.20 : 60,439.80 = 14,000.60 : x
  2. Step 2: Convert to fraction form
    40,293.20/60,439.80 = 14,000.60/x
  3. Step 3: Cross multiply
    40,293.20x = 60,439.80 × 14,000.60
  4. Step 4: Simplify right side
    40,293.20x = 846,193,463.88
  5. Step 5: Solve for x
    x = 846,193,463.88/40,293.20
  6. Step 6: Final answer
    x = 21,000.90

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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.