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Finding the Fourth Proportional to 24,986.20, 37,490.10 and 12,674.20

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Solution

The fourth proportional to 24,986.20, 37,490.10 and 12,674.20 is: 19,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,986.20 : 37,490.10 = 12,674.20 : x
  2. Step 2: Convert to fraction form
    24,986.20/37,490.10 = 12,674.20/x
  3. Step 3: Cross multiply
    24,986.20x = 37,490.10 × 12,674.20
  4. Step 4: Simplify right side
    24,986.20x = 475,157,025.42
  5. Step 5: Solve for x
    x = 475,157,025.42/24,986.20
  6. Step 6: Final answer
    x = 19,016.78

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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.