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Finding the Fourth Proportional to 4,033.46, 5,559.09 and 3,921.14

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Solution

The fourth proportional to 4,033.46, 5,559.09 and 3,921.14 is: 5,404.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,033.46 : 5,559.09 = 3,921.14 : x
  2. Step 2: Convert to fraction form
    4,033.46/5,559.09 = 3,921.14/x
  3. Step 3: Cross multiply
    4,033.46x = 5,559.09 × 3,921.14
  4. Step 4: Simplify right side
    4,033.46x = 21,797,970.16
  5. Step 5: Solve for x
    x = 21,797,970.16/4,033.46
  6. Step 6: Final answer
    x = 5,404.29

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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.