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Finding the Fourth Proportional to 11,792.78, 16,274.16 and 6,756.89

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Solution

The fourth proportional to 11,792.78, 16,274.16 and 6,756.89 is: 9,324.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,792.78 : 16,274.16 = 6,756.89 : x
  2. Step 2: Convert to fraction form
    11,792.78/16,274.16 = 6,756.89/x
  3. Step 3: Cross multiply
    11,792.78x = 16,274.16 × 6,756.89
  4. Step 4: Simplify right side
    11,792.78x = 109,962,627.59
  5. Step 5: Solve for x
    x = 109,962,627.59/11,792.78
  6. Step 6: Final answer
    x = 9,324.57

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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.