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Finding the Fourth Proportional to 8,170.07, 12,250.47 and 7,473.47

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Solution

The fourth proportional to 8,170.07, 12,250.47 and 7,473.47 is: 11,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.07 : 12,250.47 = 7,473.47 : x
  2. Step 2: Convert to fraction form
    8,170.07/12,250.47 = 7,473.47/x
  3. Step 3: Cross multiply
    8,170.07x = 12,250.47 × 7,473.47
  4. Step 4: Simplify right side
    8,170.07x = 91,553,520.03
  5. Step 5: Solve for x
    x = 91,553,520.03/8,170.07
  6. Step 6: Final answer
    x = 11,205.97

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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.