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Finding the Fourth Proportional to 5,241.62, 7,860.83 and 1,493.71

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Solution

The fourth proportional to 5,241.62, 7,860.83 and 1,493.71 is: 2,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.62 : 7,860.83 = 1,493.71 : x
  2. Step 2: Convert to fraction form
    5,241.62/7,860.83 = 1,493.71/x
  3. Step 3: Cross multiply
    5,241.62x = 7,860.83 × 1,493.71
  4. Step 4: Simplify right side
    5,241.62x = 11,741,753.61
  5. Step 5: Solve for x
    x = 11,741,753.61/5,241.62
  6. Step 6: Final answer
    x = 2,240.10

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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.