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Finding the Fourth Proportional to 8,874.96, 12,247.79 and 4,896.51

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Solution

The fourth proportional to 8,874.96, 12,247.79 and 4,896.51 is: 6,757.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.96 : 12,247.79 = 4,896.51 : x
  2. Step 2: Convert to fraction form
    8,874.96/12,247.79 = 4,896.51/x
  3. Step 3: Cross multiply
    8,874.96x = 12,247.79 × 4,896.51
  4. Step 4: Simplify right side
    8,874.96x = 59,971,401.73
  5. Step 5: Solve for x
    x = 59,971,401.73/8,874.96
  6. Step 6: Final answer
    x = 6,757.37

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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.