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Finding the Fourth Proportional to 22,081.74, 33,122.64 and 8,934.23

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Solution

The fourth proportional to 22,081.74, 33,122.64 and 8,934.23 is: 13,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,081.74 : 33,122.64 = 8,934.23 : x
  2. Step 2: Convert to fraction form
    22,081.74/33,122.64 = 8,934.23/x
  3. Step 3: Cross multiply
    22,081.74x = 33,122.64 × 8,934.23
  4. Step 4: Simplify right side
    22,081.74x = 295,925,156.49
  5. Step 5: Solve for x
    x = 295,925,156.49/22,081.74
  6. Step 6: Final answer
    x = 13,401.35

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Double scale
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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.