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Finding the Fourth Proportional to 22,636.74, 33,946.47 and 12,242.82

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Solution

The fourth proportional to 22,636.74, 33,946.47 and 12,242.82 is: 18,359.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,636.74 : 33,946.47 = 12,242.82 : x
  2. Step 2: Convert to fraction form
    22,636.74/33,946.47 = 12,242.82/x
  3. Step 3: Cross multiply
    22,636.74x = 33,946.47 × 12,242.82
  4. Step 4: Simplify right side
    22,636.74x = 415,600,521.85
  5. Step 5: Solve for x
    x = 415,600,521.85/22,636.74
  6. Step 6: Final answer
    x = 18,359.56

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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.