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Finding the Fourth Proportional to 5,088.62, 7,619.97 and 3,351.98

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Solution

The fourth proportional to 5,088.62, 7,619.97 and 3,351.98 is: 5,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.62 : 7,619.97 = 3,351.98 : x
  2. Step 2: Convert to fraction form
    5,088.62/7,619.97 = 3,351.98/x
  3. Step 3: Cross multiply
    5,088.62x = 7,619.97 × 3,351.98
  4. Step 4: Simplify right side
    5,088.62x = 25,541,987.04
  5. Step 5: Solve for x
    x = 25,541,987.04/5,088.62
  6. Step 6: Final answer
    x = 5,019.43

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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.