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Finding the Fourth Proportional to 3,241.97, 4,855.15 and 1,851.08

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Solution

The fourth proportional to 3,241.97, 4,855.15 and 1,851.08 is: 2,772.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.97 : 4,855.15 = 1,851.08 : x
  2. Step 2: Convert to fraction form
    3,241.97/4,855.15 = 1,851.08/x
  3. Step 3: Cross multiply
    3,241.97x = 4,855.15 × 1,851.08
  4. Step 4: Simplify right side
    3,241.97x = 8,987,261.81
  5. Step 5: Solve for x
    x = 8,987,261.81/3,241.97
  6. Step 6: Final answer
    x = 2,772.16

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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.