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Finding the Fourth Proportional to 8,792.22, 12,129.95 and 5,769.01

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Solution

The fourth proportional to 8,792.22, 12,129.95 and 5,769.01 is: 7,959.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.22 : 12,129.95 = 5,769.01 : x
  2. Step 2: Convert to fraction form
    8,792.22/12,129.95 = 5,769.01/x
  3. Step 3: Cross multiply
    8,792.22x = 12,129.95 × 5,769.01
  4. Step 4: Simplify right side
    8,792.22x = 69,977,817.27
  5. Step 5: Solve for x
    x = 69,977,817.27/8,792.22
  6. Step 6: Final answer
    x = 7,959.06

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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.