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Finding the Fourth Proportional to 40,402.67, 60,604.01 and 10,819.74

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Solution

The fourth proportional to 40,402.67, 60,604.01 and 10,819.74 is: 16,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,402.67 : 60,604.01 = 10,819.74 : x
  2. Step 2: Convert to fraction form
    40,402.67/60,604.01 = 10,819.74/x
  3. Step 3: Cross multiply
    40,402.67x = 60,604.01 × 10,819.74
  4. Step 4: Simplify right side
    40,402.67x = 655,719,905.76
  5. Step 5: Solve for x
    x = 655,719,905.76/40,402.67
  6. Step 6: Final answer
    x = 16,229.62

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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.