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Finding the Fourth Proportional to 22,179, 30,608.94 and 12,244.92

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Solution

The fourth proportional to 22,179, 30,608.94 and 12,244.92 is: 16,899.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,179 : 30,608.94 = 12,244.92 : x
  2. Step 2: Convert to fraction form
    22,179/30,608.94 = 12,244.92/x
  3. Step 3: Cross multiply
    22,179x = 30,608.94 × 12,244.92
  4. Step 4: Simplify right side
    22,179x = 374,804,021.58
  5. Step 5: Solve for x
    x = 374,804,021.58/22,179
  6. Step 6: Final answer
    x = 16,899.05

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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.