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Finding the Fourth Proportional to 8,080.22, 12,113 and 2,884.88

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Solution

The fourth proportional to 8,080.22, 12,113 and 2,884.88 is: 4,324.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.22 : 12,113 = 2,884.88 : x
  2. Step 2: Convert to fraction form
    8,080.22/12,113 = 2,884.88/x
  3. Step 3: Cross multiply
    8,080.22x = 12,113 × 2,884.88
  4. Step 4: Simplify right side
    8,080.22x = 34,944,551.44
  5. Step 5: Solve for x
    x = 34,944,551.44/8,080.22
  6. Step 6: Final answer
    x = 4,324.70

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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.