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Finding the Fourth Proportional to 6,660.72, 9,991.03 and 2,444.16

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Solution

The fourth proportional to 6,660.72, 9,991.03 and 2,444.16 is: 3,666.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.72 : 9,991.03 = 2,444.16 : x
  2. Step 2: Convert to fraction form
    6,660.72/9,991.03 = 2,444.16/x
  3. Step 3: Cross multiply
    6,660.72x = 9,991.03 × 2,444.16
  4. Step 4: Simplify right side
    6,660.72x = 24,419,675.88
  5. Step 5: Solve for x
    x = 24,419,675.88/6,660.72
  6. Step 6: Final answer
    x = 3,666.22

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Similar ratio
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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.