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Finding the Fourth Proportional to 3,522.66, 4,855.68 and 2,775.48

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Solution

The fourth proportional to 3,522.66, 4,855.68 and 2,775.48 is: 3,825.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.66 : 4,855.68 = 2,775.48 : x
  2. Step 2: Convert to fraction form
    3,522.66/4,855.68 = 2,775.48/x
  3. Step 3: Cross multiply
    3,522.66x = 4,855.68 × 2,775.48
  4. Step 4: Simplify right side
    3,522.66x = 13,476,842.73
  5. Step 5: Solve for x
    x = 13,476,842.73/3,522.66
  6. Step 6: Final answer
    x = 3,825.76

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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.