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Finding the Fourth Proportional to 8,066.65, 12,101.51 and 2,801.46

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Solution

The fourth proportional to 8,066.65, 12,101.51 and 2,801.46 is: 4,202.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066.65 : 12,101.51 = 2,801.46 : x
  2. Step 2: Convert to fraction form
    8,066.65/12,101.51 = 2,801.46/x
  3. Step 3: Cross multiply
    8,066.65x = 12,101.51 × 2,801.46
  4. Step 4: Simplify right side
    8,066.65x = 33,901,896.20
  5. Step 5: Solve for x
    x = 33,901,896.20/8,066.65
  6. Step 6: Final answer
    x = 4,202.72

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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.