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Finding the Fourth Proportional to 3,633.70, 5,014.78 and 2,040.54

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Solution

The fourth proportional to 3,633.70, 5,014.78 and 2,040.54 is: 2,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.70 : 5,014.78 = 2,040.54 : x
  2. Step 2: Convert to fraction form
    3,633.70/5,014.78 = 2,040.54/x
  3. Step 3: Cross multiply
    3,633.70x = 5,014.78 × 2,040.54
  4. Step 4: Simplify right side
    3,633.70x = 10,232,859.18
  5. Step 5: Solve for x
    x = 10,232,859.18/3,633.70
  6. Step 6: Final answer
    x = 2,816.10

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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.