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Finding the Fourth Proportional to 8,080.73, 12,121.10 and 2,534.51

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Solution

The fourth proportional to 8,080.73, 12,121.10 and 2,534.51 is: 3,801.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.73 : 12,121.10 = 2,534.51 : x
  2. Step 2: Convert to fraction form
    8,080.73/12,121.10 = 2,534.51/x
  3. Step 3: Cross multiply
    8,080.73x = 12,121.10 × 2,534.51
  4. Step 4: Simplify right side
    8,080.73x = 30,721,066.38
  5. Step 5: Solve for x
    x = 30,721,066.38/8,080.73
  6. Step 6: Final answer
    x = 3,801.77

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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.