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Finding the Fourth Proportional to 10,593.75, 15,890.21 and 3,198.01

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Solution

The fourth proportional to 10,593.75, 15,890.21 and 3,198.01 is: 4,796.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,593.75 : 15,890.21 = 3,198.01 : x
  2. Step 2: Convert to fraction form
    10,593.75/15,890.21 = 3,198.01/x
  3. Step 3: Cross multiply
    10,593.75x = 15,890.21 × 3,198.01
  4. Step 4: Simplify right side
    10,593.75x = 50,816,955.04
  5. Step 5: Solve for x
    x = 50,816,955.04/10,593.75
  6. Step 6: Final answer
    x = 4,796.88

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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.