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Finding the Fourth Proportional to 2,652.96, 3,661.02 and 2,022.78

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Solution

The fourth proportional to 2,652.96, 3,661.02 and 2,022.78 is: 2,791.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.96 : 3,661.02 = 2,022.78 : x
  2. Step 2: Convert to fraction form
    2,652.96/3,661.02 = 2,022.78/x
  3. Step 3: Cross multiply
    2,652.96x = 3,661.02 × 2,022.78
  4. Step 4: Simplify right side
    2,652.96x = 7,405,438.04
  5. Step 5: Solve for x
    x = 7,405,438.04/2,652.96
  6. Step 6: Final answer
    x = 2,791.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.