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Finding the Fourth Proportional to 8,323.56, 11,488.82 and 4,787.91

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Solution

The fourth proportional to 8,323.56, 11,488.82 and 4,787.91 is: 6,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323.56 : 11,488.82 = 4,787.91 : x
  2. Step 2: Convert to fraction form
    8,323.56/11,488.82 = 4,787.91/x
  3. Step 3: Cross multiply
    8,323.56x = 11,488.82 × 4,787.91
  4. Step 4: Simplify right side
    8,323.56x = 55,007,390.69
  5. Step 5: Solve for x
    x = 55,007,390.69/8,323.56
  6. Step 6: Final answer
    x = 6,608.64

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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.