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Finding the Fourth Proportional to 4,993.45, 7,493.82 and 2,398.21

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Solution

The fourth proportional to 4,993.45, 7,493.82 and 2,398.21 is: 3,599.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.45 : 7,493.82 = 2,398.21 : x
  2. Step 2: Convert to fraction form
    4,993.45/7,493.82 = 2,398.21/x
  3. Step 3: Cross multiply
    4,993.45x = 7,493.82 × 2,398.21
  4. Step 4: Simplify right side
    4,993.45x = 17,971,726.33
  5. Step 5: Solve for x
    x = 17,971,726.33/4,993.45
  6. Step 6: Final answer
    x = 3,599.06

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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.