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Finding the Fourth Proportional to 8,774.67, 12,109.83 and 4,997.01

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Solution

The fourth proportional to 8,774.67, 12,109.83 and 4,997.01 is: 6,896.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.67 : 12,109.83 = 4,997.01 : x
  2. Step 2: Convert to fraction form
    8,774.67/12,109.83 = 4,997.01/x
  3. Step 3: Cross multiply
    8,774.67x = 12,109.83 × 4,997.01
  4. Step 4: Simplify right side
    8,774.67x = 60,512,916.62
  5. Step 5: Solve for x
    x = 60,512,916.62/8,774.67
  6. Step 6: Final answer
    x = 6,896.32

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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.