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Finding the Fourth Proportional to 22,136.92, 30,548.95 and 12,200.92

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Solution

The fourth proportional to 22,136.92, 30,548.95 and 12,200.92 is: 16,837.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,136.92 : 30,548.95 = 12,200.92 : x
  2. Step 2: Convert to fraction form
    22,136.92/30,548.95 = 12,200.92/x
  3. Step 3: Cross multiply
    22,136.92x = 30,548.95 × 12,200.92
  4. Step 4: Simplify right side
    22,136.92x = 372,725,188.16
  5. Step 5: Solve for x
    x = 372,725,188.16/22,136.92
  6. Step 6: Final answer
    x = 16,837.27

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Double scale
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Similar ratio
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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.