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Finding the Fourth Proportional to 4,828.39, 7,251.48 and 2,892.49

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Solution

The fourth proportional to 4,828.39, 7,251.48 and 2,892.49 is: 4,344.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.39 : 7,251.48 = 2,892.49 : x
  2. Step 2: Convert to fraction form
    4,828.39/7,251.48 = 2,892.49/x
  3. Step 3: Cross multiply
    4,828.39x = 7,251.48 × 2,892.49
  4. Step 4: Simplify right side
    4,828.39x = 20,974,833.39
  5. Step 5: Solve for x
    x = 20,974,833.39/4,828.39
  6. Step 6: Final answer
    x = 4,344.06

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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.