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Finding the Fourth Proportional to 8,425.01, 12,634.78 and 2,801.17

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Solution

The fourth proportional to 8,425.01, 12,634.78 and 2,801.17 is: 4,200.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.01 : 12,634.78 = 2,801.17 : x
  2. Step 2: Convert to fraction form
    8,425.01/12,634.78 = 2,801.17/x
  3. Step 3: Cross multiply
    8,425.01x = 12,634.78 × 2,801.17
  4. Step 4: Simplify right side
    8,425.01x = 35,392,166.69
  5. Step 5: Solve for x
    x = 35,392,166.69/8,425.01
  6. Step 6: Final answer
    x = 4,200.85

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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.