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Finding the Fourth Proportional to 8,484.88, 12,727.20 and 2,328.88

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Solution

The fourth proportional to 8,484.88, 12,727.20 and 2,328.88 is: 3,493.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.88 : 12,727.20 = 2,328.88 : x
  2. Step 2: Convert to fraction form
    8,484.88/12,727.20 = 2,328.88/x
  3. Step 3: Cross multiply
    8,484.88x = 12,727.20 × 2,328.88
  4. Step 4: Simplify right side
    8,484.88x = 29,640,121.54
  5. Step 5: Solve for x
    x = 29,640,121.54/8,484.88
  6. Step 6: Final answer
    x = 3,493.29

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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.