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Finding the Fourth Proportional to 8,843.10, 13,264.65 and 3,910.20

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Solution

The fourth proportional to 8,843.10, 13,264.65 and 3,910.20 is: 5,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.10 : 13,264.65 = 3,910.20 : x
  2. Step 2: Convert to fraction form
    8,843.10/13,264.65 = 3,910.20/x
  3. Step 3: Cross multiply
    8,843.10x = 13,264.65 × 3,910.20
  4. Step 4: Simplify right side
    8,843.10x = 51,867,434.43
  5. Step 5: Solve for x
    x = 51,867,434.43/8,843.10
  6. Step 6: Final answer
    x = 5,865.30

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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.