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Finding the Fourth Proportional to 7,184.98, 9,912.97 and 4,351.45

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Solution

The fourth proportional to 7,184.98, 9,912.97 and 4,351.45 is: 6,003.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184.98 : 9,912.97 = 4,351.45 : x
  2. Step 2: Convert to fraction form
    7,184.98/9,912.97 = 4,351.45/x
  3. Step 3: Cross multiply
    7,184.98x = 9,912.97 × 4,351.45
  4. Step 4: Simplify right side
    7,184.98x = 43,135,793.31
  5. Step 5: Solve for x
    x = 43,135,793.31/7,184.98
  6. Step 6: Final answer
    x = 6,003.61

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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.