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Finding the Fourth Proportional to 33,110.80, 49,666.20 and 17,558.80

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Solution

The fourth proportional to 33,110.80, 49,666.20 and 17,558.80 is: 26,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,110.80 : 49,666.20 = 17,558.80 : x
  2. Step 2: Convert to fraction form
    33,110.80/49,666.20 = 17,558.80/x
  3. Step 3: Cross multiply
    33,110.80x = 49,666.20 × 17,558.80
  4. Step 4: Simplify right side
    33,110.80x = 872,078,872.56
  5. Step 5: Solve for x
    x = 872,078,872.56/33,110.80
  6. Step 6: Final answer
    x = 26,338.20

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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.