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Finding the Fourth Proportional to 33,221.69, 49,840.95 and 11,035.18

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Solution

The fourth proportional to 33,221.69, 49,840.95 and 11,035.18 is: 16,555.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,221.69 : 49,840.95 = 11,035.18 : x
  2. Step 2: Convert to fraction form
    33,221.69/49,840.95 = 11,035.18/x
  3. Step 3: Cross multiply
    33,221.69x = 49,840.95 × 11,035.18
  4. Step 4: Simplify right side
    33,221.69x = 550,003,854.62
  5. Step 5: Solve for x
    x = 550,003,854.62/33,221.69
  6. Step 6: Final answer
    x = 16,555.57

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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.