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Finding the Fourth Proportional to 8,878.54, 12,252.27 and 4,899.82

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Solution

The fourth proportional to 8,878.54, 12,252.27 and 4,899.82 is: 6,761.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.54 : 12,252.27 = 4,899.82 : x
  2. Step 2: Convert to fraction form
    8,878.54/12,252.27 = 4,899.82/x
  3. Step 3: Cross multiply
    8,878.54x = 12,252.27 × 4,899.82
  4. Step 4: Simplify right side
    8,878.54x = 60,033,917.59
  5. Step 5: Solve for x
    x = 60,033,917.59/8,878.54
  6. Step 6: Final answer
    x = 6,761.69

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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.