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Finding the Fourth Proportional to 3,673.87, 5,502.17 and 3,057.55

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Solution

The fourth proportional to 3,673.87, 5,502.17 and 3,057.55 is: 4,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.87 : 5,502.17 = 3,057.55 : x
  2. Step 2: Convert to fraction form
    3,673.87/5,502.17 = 3,057.55/x
  3. Step 3: Cross multiply
    3,673.87x = 5,502.17 × 3,057.55
  4. Step 4: Simplify right side
    3,673.87x = 16,823,144.60
  5. Step 5: Solve for x
    x = 16,823,144.60/3,673.87
  6. Step 6: Final answer
    x = 4,579.13

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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.