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Finding the Fourth Proportional to 4,983.83, 7,476.02 and 2,021.84

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Solution

The fourth proportional to 4,983.83, 7,476.02 and 2,021.84 is: 3,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.83 : 7,476.02 = 2,021.84 : x
  2. Step 2: Convert to fraction form
    4,983.83/7,476.02 = 2,021.84/x
  3. Step 3: Cross multiply
    4,983.83x = 7,476.02 × 2,021.84
  4. Step 4: Simplify right side
    4,983.83x = 15,115,278.90
  5. Step 5: Solve for x
    x = 15,115,278.90/4,983.83
  6. Step 6: Final answer
    x = 3,032.86

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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.