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Finding the Fourth Proportional to 8,253.91, 11,386.71 and 4,896.87

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Solution

The fourth proportional to 8,253.91, 11,386.71 and 4,896.87 is: 6,755.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.91 : 11,386.71 = 4,896.87 : x
  2. Step 2: Convert to fraction form
    8,253.91/11,386.71 = 4,896.87/x
  3. Step 3: Cross multiply
    8,253.91x = 11,386.71 × 4,896.87
  4. Step 4: Simplify right side
    8,253.91x = 55,759,238.60
  5. Step 5: Solve for x
    x = 55,759,238.60/8,253.91
  6. Step 6: Final answer
    x = 6,755.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.