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Finding the Fourth Proportional to 5,283.91, 7,927.49 and 1,998.01

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Solution

The fourth proportional to 5,283.91, 7,927.49 and 1,998.01 is: 2,997.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.91 : 7,927.49 = 1,998.01 : x
  2. Step 2: Convert to fraction form
    5,283.91/7,927.49 = 1,998.01/x
  3. Step 3: Cross multiply
    5,283.91x = 7,927.49 × 1,998.01
  4. Step 4: Simplify right side
    5,283.91x = 15,839,204.29
  5. Step 5: Solve for x
    x = 15,839,204.29/5,283.91
  6. Step 6: Final answer
    x = 2,997.63

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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.