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Finding the Fourth Proportional to 22,656.97, 33,956.75 and 12,801.80

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Solution

The fourth proportional to 22,656.97, 33,956.75 and 12,801.80 is: 19,186.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,656.97 : 33,956.75 = 12,801.80 : x
  2. Step 2: Convert to fraction form
    22,656.97/33,956.75 = 12,801.80/x
  3. Step 3: Cross multiply
    22,656.97x = 33,956.75 × 12,801.80
  4. Step 4: Simplify right side
    22,656.97x = 434,707,639.05
  5. Step 5: Solve for x
    x = 434,707,639.05/22,656.97
  6. Step 6: Final answer
    x = 19,186.49

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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.