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Finding the Fourth Proportional to 7,262.36, 10,895.36 and 2,879.84

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Solution

The fourth proportional to 7,262.36, 10,895.36 and 2,879.84 is: 4,320.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.36 : 10,895.36 = 2,879.84 : x
  2. Step 2: Convert to fraction form
    7,262.36/10,895.36 = 2,879.84/x
  3. Step 3: Cross multiply
    7,262.36x = 10,895.36 × 2,879.84
  4. Step 4: Simplify right side
    7,262.36x = 31,376,893.54
  5. Step 5: Solve for x
    x = 31,376,893.54/7,262.36
  6. Step 6: Final answer
    x = 4,320.48

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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.