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Finding the Fourth Proportional to 22,926.69, 34,390.44 and 8,136.45

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Solution

The fourth proportional to 22,926.69, 34,390.44 and 8,136.45 is: 12,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,926.69 : 34,390.44 = 8,136.45 : x
  2. Step 2: Convert to fraction form
    22,926.69/34,390.44 = 8,136.45/x
  3. Step 3: Cross multiply
    22,926.69x = 34,390.44 × 8,136.45
  4. Step 4: Simplify right side
    22,926.69x = 279,816,095.54
  5. Step 5: Solve for x
    x = 279,816,095.54/22,926.69
  6. Step 6: Final answer
    x = 12,204.82

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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.