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Finding the Fourth Proportional to 4,699.28, 7,049.03 and 1,579.39

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Solution

The fourth proportional to 4,699.28, 7,049.03 and 1,579.39 is: 2,369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.28 : 7,049.03 = 1,579.39 : x
  2. Step 2: Convert to fraction form
    4,699.28/7,049.03 = 1,579.39/x
  3. Step 3: Cross multiply
    4,699.28x = 7,049.03 × 1,579.39
  4. Step 4: Simplify right side
    4,699.28x = 11,133,141.97
  5. Step 5: Solve for x
    x = 11,133,141.97/4,699.28
  6. Step 6: Final answer
    x = 2,369.12

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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.