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Finding the Fourth Proportional to 7,950.62, 10,975.48 and 5,119.34

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Solution

The fourth proportional to 7,950.62, 10,975.48 and 5,119.34 is: 7,067.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.62 : 10,975.48 = 5,119.34 : x
  2. Step 2: Convert to fraction form
    7,950.62/10,975.48 = 5,119.34/x
  3. Step 3: Cross multiply
    7,950.62x = 10,975.48 × 5,119.34
  4. Step 4: Simplify right side
    7,950.62x = 56,187,213.78
  5. Step 5: Solve for x
    x = 56,187,213.78/7,950.62
  6. Step 6: Final answer
    x = 7,067.02

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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.