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Finding the Fourth Proportional to 6,792.69, 9,369.93 and 4,270.80

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Solution

The fourth proportional to 6,792.69, 9,369.93 and 4,270.80 is: 5,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,792.69 : 9,369.93 = 4,270.80 : x
  2. Step 2: Convert to fraction form
    6,792.69/9,369.93 = 4,270.80/x
  3. Step 3: Cross multiply
    6,792.69x = 9,369.93 × 4,270.80
  4. Step 4: Simplify right side
    6,792.69x = 40,017,097.82
  5. Step 5: Solve for x
    x = 40,017,097.82/6,792.69
  6. Step 6: Final answer
    x = 5,891.20

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1.5x scale

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.