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Finding the Fourth Proportional to 6,600.23, 9,900.38 and 1,983.23

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Solution

The fourth proportional to 6,600.23, 9,900.38 and 1,983.23 is: 2,974.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.23 : 9,900.38 = 1,983.23 : x
  2. Step 2: Convert to fraction form
    6,600.23/9,900.38 = 1,983.23/x
  3. Step 3: Cross multiply
    6,600.23x = 9,900.38 × 1,983.23
  4. Step 4: Simplify right side
    6,600.23x = 19,634,767.74
  5. Step 5: Solve for x
    x = 19,634,767.74/6,600.23
  6. Step 6: Final answer
    x = 2,974.86

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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.