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Finding the Fourth Proportional to 7,323.87, 10,987.49 and 2,393.88

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Solution

The fourth proportional to 7,323.87, 10,987.49 and 2,393.88 is: 3,591.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.87 : 10,987.49 = 2,393.88 : x
  2. Step 2: Convert to fraction form
    7,323.87/10,987.49 = 2,393.88/x
  3. Step 3: Cross multiply
    7,323.87x = 10,987.49 × 2,393.88
  4. Step 4: Simplify right side
    7,323.87x = 26,302,732.56
  5. Step 5: Solve for x
    x = 26,302,732.56/7,323.87
  6. Step 6: Final answer
    x = 3,591.37

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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.