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Finding the Fourth Proportional to 6,661.38, 9,995.79 and 2,963.46

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Solution

The fourth proportional to 6,661.38, 9,995.79 and 2,963.46 is: 4,446.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.38 : 9,995.79 = 2,963.46 : x
  2. Step 2: Convert to fraction form
    6,661.38/9,995.79 = 2,963.46/x
  3. Step 3: Cross multiply
    6,661.38x = 9,995.79 × 2,963.46
  4. Step 4: Simplify right side
    6,661.38x = 29,622,123.83
  5. Step 5: Solve for x
    x = 29,622,123.83/6,661.38
  6. Step 6: Final answer
    x = 4,446.84

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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.