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Finding the Fourth Proportional to 24,259.20, 36,388.80 and 8,674.80

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Solution

The fourth proportional to 24,259.20, 36,388.80 and 8,674.80 is: 13,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,259.20 : 36,388.80 = 8,674.80 : x
  2. Step 2: Convert to fraction form
    24,259.20/36,388.80 = 8,674.80/x
  3. Step 3: Cross multiply
    24,259.20x = 36,388.80 × 8,674.80
  4. Step 4: Simplify right side
    24,259.20x = 315,665,562.24
  5. Step 5: Solve for x
    x = 315,665,562.24/24,259.20
  6. Step 6: Final answer
    x = 13,012.20

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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.