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Finding the Fourth Proportional to 3,673.72, 5,069.45 and 2,080.22

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Solution

The fourth proportional to 3,673.72, 5,069.45 and 2,080.22 is: 2,870.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.72 : 5,069.45 = 2,080.22 : x
  2. Step 2: Convert to fraction form
    3,673.72/5,069.45 = 2,080.22/x
  3. Step 3: Cross multiply
    3,673.72x = 5,069.45 × 2,080.22
  4. Step 4: Simplify right side
    3,673.72x = 10,545,560.88
  5. Step 5: Solve for x
    x = 10,545,560.88/3,673.72
  6. Step 6: Final answer
    x = 2,870.54

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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.