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Finding the Fourth Proportional to 8,028.68, 12,103.06 and 7,493.48

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Solution

The fourth proportional to 8,028.68, 12,103.06 and 7,493.48 is: 11,296.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.68 : 12,103.06 = 7,493.48 : x
  2. Step 2: Convert to fraction form
    8,028.68/12,103.06 = 7,493.48/x
  3. Step 3: Cross multiply
    8,028.68x = 12,103.06 × 7,493.48
  4. Step 4: Simplify right side
    8,028.68x = 90,694,038.05
  5. Step 5: Solve for x
    x = 90,694,038.05/8,028.68
  6. Step 6: Final answer
    x = 11,296.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.