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Finding the Fourth Proportional to 4,983.62, 7,471.77 and 2,388.38

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Solution

The fourth proportional to 4,983.62, 7,471.77 and 2,388.38 is: 3,580.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.62 : 7,471.77 = 2,388.38 : x
  2. Step 2: Convert to fraction form
    4,983.62/7,471.77 = 2,388.38/x
  3. Step 3: Cross multiply
    4,983.62x = 7,471.77 × 2,388.38
  4. Step 4: Simplify right side
    4,983.62x = 17,845,426.03
  5. Step 5: Solve for x
    x = 17,845,426.03/4,983.62
  6. Step 6: Final answer
    x = 3,580.82

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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.