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Finding the Fourth Proportional to 8,044.32, 12,069.84 and 7,398.48

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Solution

The fourth proportional to 8,044.32, 12,069.84 and 7,398.48 is: 11,100.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,044.32 : 12,069.84 = 7,398.48 : x
  2. Step 2: Convert to fraction form
    8,044.32/12,069.84 = 7,398.48/x
  3. Step 3: Cross multiply
    8,044.32x = 12,069.84 × 7,398.48
  4. Step 4: Simplify right side
    8,044.32x = 89,298,469.84
  5. Step 5: Solve for x
    x = 89,298,469.84/8,044.32
  6. Step 6: Final answer
    x = 11,100.81

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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.