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Finding the Fourth Proportional to 4,855.88, 7,282.40 and 1,893.66

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Solution

The fourth proportional to 4,855.88, 7,282.40 and 1,893.66 is: 2,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.88 : 7,282.40 = 1,893.66 : x
  2. Step 2: Convert to fraction form
    4,855.88/7,282.40 = 1,893.66/x
  3. Step 3: Cross multiply
    4,855.88x = 7,282.40 × 1,893.66
  4. Step 4: Simplify right side
    4,855.88x = 13,790,380.12
  5. Step 5: Solve for x
    x = 13,790,380.12/4,855.88
  6. Step 6: Final answer
    x = 2,839.94

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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.