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Finding the Fourth Proportional to 40,179.92, 60,273.92 and 10,599.80

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Solution

The fourth proportional to 40,179.92, 60,273.92 and 10,599.80 is: 15,900.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,179.92 : 60,273.92 = 10,599.80 : x
  2. Step 2: Convert to fraction form
    40,179.92/60,273.92 = 10,599.80/x
  3. Step 3: Cross multiply
    40,179.92x = 60,273.92 × 10,599.80
  4. Step 4: Simplify right side
    40,179.92x = 638,891,222.35
  5. Step 5: Solve for x
    x = 638,891,222.35/40,179.92
  6. Step 6: Final answer
    x = 15,900.76

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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.