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Finding the Fourth Proportional to 8,792.97, 12,132.23 and 6,431.01

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Solution

The fourth proportional to 8,792.97, 12,132.23 and 6,431.01 is: 8,873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.97 : 12,132.23 = 6,431.01 : x
  2. Step 2: Convert to fraction form
    8,792.97/12,132.23 = 6,431.01/x
  3. Step 3: Cross multiply
    8,792.97x = 12,132.23 × 6,431.01
  4. Step 4: Simplify right side
    8,792.97x = 78,022,460.30
  5. Step 5: Solve for x
    x = 78,022,460.30/8,792.97
  6. Step 6: Final answer
    x = 8,873.28

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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.