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Finding the Fourth Proportional to 7,199.91, 10,797.44 and 2,756.53

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Solution

The fourth proportional to 7,199.91, 10,797.44 and 2,756.53 is: 4,133.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.91 : 10,797.44 = 2,756.53 : x
  2. Step 2: Convert to fraction form
    7,199.91/10,797.44 = 2,756.53/x
  3. Step 3: Cross multiply
    7,199.91x = 10,797.44 × 2,756.53
  4. Step 4: Simplify right side
    7,199.91x = 29,763,467.28
  5. Step 5: Solve for x
    x = 29,763,467.28/7,199.91
  6. Step 6: Final answer
    x = 4,133.87

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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.