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Finding the Fourth Proportional to 8,074.32, 12,040.82 and 8,000.51

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Solution

The fourth proportional to 8,074.32, 12,040.82 and 8,000.51 is: 11,930.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.32 : 12,040.82 = 8,000.51 : x
  2. Step 2: Convert to fraction form
    8,074.32/12,040.82 = 8,000.51/x
  3. Step 3: Cross multiply
    8,074.32x = 12,040.82 × 8,000.51
  4. Step 4: Simplify right side
    8,074.32x = 96,332,630.61
  5. Step 5: Solve for x
    x = 96,332,630.61/8,074.32
  6. Step 6: Final answer
    x = 11,930.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.