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Finding the Fourth Proportional to 6,136.70, 9,192.90 and 3,664.18

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Solution

The fourth proportional to 6,136.70, 9,192.90 and 3,664.18 is: 5,489.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,136.70 : 9,192.90 = 3,664.18 : x
  2. Step 2: Convert to fraction form
    6,136.70/9,192.90 = 3,664.18/x
  3. Step 3: Cross multiply
    6,136.70x = 9,192.90 × 3,664.18
  4. Step 4: Simplify right side
    6,136.70x = 33,684,394.36
  5. Step 5: Solve for x
    x = 33,684,394.36/6,136.70
  6. Step 6: Final answer
    x = 5,489.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.