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Finding the Fourth Proportional to 22,273, 30,736.74 and 12,338.92

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Solution

The fourth proportional to 22,273, 30,736.74 and 12,338.92 is: 17,027.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,273 : 30,736.74 = 12,338.92 : x
  2. Step 2: Convert to fraction form
    22,273/30,736.74 = 12,338.92/x
  3. Step 3: Cross multiply
    22,273x = 30,736.74 × 12,338.92
  4. Step 4: Simplify right side
    22,273x = 379,258,175.92
  5. Step 5: Solve for x
    x = 379,258,175.92/22,273
  6. Step 6: Final answer
    x = 17,027.71

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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.