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Finding the Fourth Proportional to 7,998.80, 11,996.78 and 4,708.04

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Solution

The fourth proportional to 7,998.80, 11,996.78 and 4,708.04 is: 7,061.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.80 : 11,996.78 = 4,708.04 : x
  2. Step 2: Convert to fraction form
    7,998.80/11,996.78 = 4,708.04/x
  3. Step 3: Cross multiply
    7,998.80x = 11,996.78 × 4,708.04
  4. Step 4: Simplify right side
    7,998.80x = 56,481,236.59
  5. Step 5: Solve for x
    x = 56,481,236.59/7,998.80
  6. Step 6: Final answer
    x = 7,061.22

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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.