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Finding the Fourth Proportional to 4,981.62, 7,473.10 and 1,693.82

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Solution

The fourth proportional to 4,981.62, 7,473.10 and 1,693.82 is: 2,540.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.62 : 7,473.10 = 1,693.82 : x
  2. Step 2: Convert to fraction form
    4,981.62/7,473.10 = 1,693.82/x
  3. Step 3: Cross multiply
    4,981.62x = 7,473.10 × 1,693.82
  4. Step 4: Simplify right side
    4,981.62x = 12,658,086.24
  5. Step 5: Solve for x
    x = 12,658,086.24/4,981.62
  6. Step 6: Final answer
    x = 2,540.96

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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.