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Finding the Fourth Proportional to 8,593.59, 12,948.90 and 7,067.76

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Solution

The fourth proportional to 8,593.59, 12,948.90 and 7,067.76 is: 10,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.59 : 12,948.90 = 7,067.76 : x
  2. Step 2: Convert to fraction form
    8,593.59/12,948.90 = 7,067.76/x
  3. Step 3: Cross multiply
    8,593.59x = 12,948.90 × 7,067.76
  4. Step 4: Simplify right side
    8,593.59x = 91,519,717.46
  5. Step 5: Solve for x
    x = 91,519,717.46/8,593.59
  6. Step 6: Final answer
    x = 10,649.77

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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.