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Finding the Fourth Proportional to 7,958.88, 11,934.23 and 3,572.57

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Solution

The fourth proportional to 7,958.88, 11,934.23 and 3,572.57 is: 5,357.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.88 : 11,934.23 = 3,572.57 : x
  2. Step 2: Convert to fraction form
    7,958.88/11,934.23 = 3,572.57/x
  3. Step 3: Cross multiply
    7,958.88x = 11,934.23 × 3,572.57
  4. Step 4: Simplify right side
    7,958.88x = 42,635,884.04
  5. Step 5: Solve for x
    x = 42,635,884.04/7,958.88
  6. Step 6: Final answer
    x = 5,357.02

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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.