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Finding the Fourth Proportional to 8,028.58, 12,103.03 and 7,493.38

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Solution

The fourth proportional to 8,028.58, 12,103.03 and 7,493.38 is: 11,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.58 : 12,103.03 = 7,493.38 : x
  2. Step 2: Convert to fraction form
    8,028.58/12,103.03 = 7,493.38/x
  3. Step 3: Cross multiply
    8,028.58x = 12,103.03 × 7,493.38
  4. Step 4: Simplify right side
    8,028.58x = 90,692,602.94
  5. Step 5: Solve for x
    x = 90,692,602.94/8,028.58
  6. Step 6: Final answer
    x = 11,296.22

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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.