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Finding the Fourth Proportional to 4,803.98, 7,192.98 and 2,490.62

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Solution

The fourth proportional to 4,803.98, 7,192.98 and 2,490.62 is: 3,729.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.98 : 7,192.98 = 2,490.62 : x
  2. Step 2: Convert to fraction form
    4,803.98/7,192.98 = 2,490.62/x
  3. Step 3: Cross multiply
    4,803.98x = 7,192.98 × 2,490.62
  4. Step 4: Simplify right side
    4,803.98x = 17,914,943.88
  5. Step 5: Solve for x
    x = 17,914,943.88/4,803.98
  6. Step 6: Final answer
    x = 3,729.19

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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.