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Finding the Fourth Proportional to 7,096, 9,792.66 and 3,952.12

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Solution

The fourth proportional to 7,096, 9,792.66 and 3,952.12 is: 5,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,096 : 9,792.66 = 3,952.12 : x
  2. Step 2: Convert to fraction form
    7,096/9,792.66 = 3,952.12/x
  3. Step 3: Cross multiply
    7,096x = 9,792.66 × 3,952.12
  4. Step 4: Simplify right side
    7,096x = 38,701,767.44
  5. Step 5: Solve for x
    x = 38,701,767.44/7,096
  6. Step 6: Final answer
    x = 5,454.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.