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Finding the Fourth Proportional to 8,633.74, 11,910.54 and 5,608.65

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Solution

The fourth proportional to 8,633.74, 11,910.54 and 5,608.65 is: 7,737.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.74 : 11,910.54 = 5,608.65 : x
  2. Step 2: Convert to fraction form
    8,633.74/11,910.54 = 5,608.65/x
  3. Step 3: Cross multiply
    8,633.74x = 11,910.54 × 5,608.65
  4. Step 4: Simplify right side
    8,633.74x = 66,802,050.17
  5. Step 5: Solve for x
    x = 66,802,050.17/8,633.74
  6. Step 6: Final answer
    x = 7,737.32

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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.