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Finding the Fourth Proportional to 8,923.95, 13,371.84 and 7,249.91

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Solution

The fourth proportional to 8,923.95, 13,371.84 and 7,249.91 is: 10,863.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.95 : 13,371.84 = 7,249.91 : x
  2. Step 2: Convert to fraction form
    8,923.95/13,371.84 = 7,249.91/x
  3. Step 3: Cross multiply
    8,923.95x = 13,371.84 × 7,249.91
  4. Step 4: Simplify right side
    8,923.95x = 96,944,569.68
  5. Step 5: Solve for x
    x = 96,944,569.68/8,923.95
  6. Step 6: Final answer
    x = 10,863.41

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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.