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Finding the Fourth Proportional to 24,449.28, 36,673.92 and 6,919.20

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Solution

The fourth proportional to 24,449.28, 36,673.92 and 6,919.20 is: 10,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,449.28 : 36,673.92 = 6,919.20 : x
  2. Step 2: Convert to fraction form
    24,449.28/36,673.92 = 6,919.20/x
  3. Step 3: Cross multiply
    24,449.28x = 36,673.92 × 6,919.20
  4. Step 4: Simplify right side
    24,449.28x = 253,754,187.26
  5. Step 5: Solve for x
    x = 253,754,187.26/24,449.28
  6. Step 6: Final answer
    x = 10,378.80

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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.