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Finding the Fourth Proportional to 7,136.92, 9,849.02 and 4,304.44

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Solution

The fourth proportional to 7,136.92, 9,849.02 and 4,304.44 is: 5,940.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.92 : 9,849.02 = 4,304.44 : x
  2. Step 2: Convert to fraction form
    7,136.92/9,849.02 = 4,304.44/x
  3. Step 3: Cross multiply
    7,136.92x = 9,849.02 × 4,304.44
  4. Step 4: Simplify right side
    7,136.92x = 42,394,515.65
  5. Step 5: Solve for x
    x = 42,394,515.65/7,136.92
  6. Step 6: Final answer
    x = 5,940.17

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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.