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Finding the Fourth Proportional to 40,226.74, 60,340.74 and 15,260.20

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Solution

The fourth proportional to 40,226.74, 60,340.74 and 15,260.20 is: 22,890.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,226.74 : 60,340.74 = 15,260.20 : x
  2. Step 2: Convert to fraction form
    40,226.74/60,340.74 = 15,260.20/x
  3. Step 3: Cross multiply
    40,226.74x = 60,340.74 × 15,260.20
  4. Step 4: Simplify right side
    40,226.74x = 920,811,760.55
  5. Step 5: Solve for x
    x = 920,811,760.55/40,226.74
  6. Step 6: Final answer
    x = 22,890.54

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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.