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Finding the Fourth Proportional to 8,758.63, 12,072.78 and 5,924.97

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Solution

The fourth proportional to 8,758.63, 12,072.78 and 5,924.97 is: 8,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.63 : 12,072.78 = 5,924.97 : x
  2. Step 2: Convert to fraction form
    8,758.63/12,072.78 = 5,924.97/x
  3. Step 3: Cross multiply
    8,758.63x = 12,072.78 × 5,924.97
  4. Step 4: Simplify right side
    8,758.63x = 71,530,859.32
  5. Step 5: Solve for x
    x = 71,530,859.32/8,758.63
  6. Step 6: Final answer
    x = 8,166.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.