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Finding the Fourth Proportional to 5,226.48, 7,836.48 and 2,759.76

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Solution

The fourth proportional to 5,226.48, 7,836.48 and 2,759.76 is: 4,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.48 : 7,836.48 = 2,759.76 : x
  2. Step 2: Convert to fraction form
    5,226.48/7,836.48 = 2,759.76/x
  3. Step 3: Cross multiply
    5,226.48x = 7,836.48 × 2,759.76
  4. Step 4: Simplify right side
    5,226.48x = 21,626,804.04
  5. Step 5: Solve for x
    x = 21,626,804.04/5,226.48
  6. Step 6: Final answer
    x = 4,137.93

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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.