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Finding the Fourth Proportional to 4,482.75, 6,724.41 and 1,404.75

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Solution

The fourth proportional to 4,482.75, 6,724.41 and 1,404.75 is: 2,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,482.75 : 6,724.41 = 1,404.75 : x
  2. Step 2: Convert to fraction form
    4,482.75/6,724.41 = 1,404.75/x
  3. Step 3: Cross multiply
    4,482.75x = 6,724.41 × 1,404.75
  4. Step 4: Simplify right side
    4,482.75x = 9,446,114.95
  5. Step 5: Solve for x
    x = 9,446,114.95/4,482.75
  6. Step 6: Final answer
    x = 2,107.21

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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.