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Finding the Fourth Proportional to 4,993.62, 7,493.77 and 2,071.92

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Solution

The fourth proportional to 4,993.62, 7,493.77 and 2,071.92 is: 3,109.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.62 : 7,493.77 = 2,071.92 : x
  2. Step 2: Convert to fraction form
    4,993.62/7,493.77 = 2,071.92/x
  3. Step 3: Cross multiply
    4,993.62x = 7,493.77 × 2,071.92
  4. Step 4: Simplify right side
    4,993.62x = 15,526,489.90
  5. Step 5: Solve for x
    x = 15,526,489.90/4,993.62
  6. Step 6: Final answer
    x = 3,109.27

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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.