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Finding the Fourth Proportional to 33,221.99, 49,854.86 and 15,693.59

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Solution

The fourth proportional to 33,221.99, 49,854.86 and 15,693.59 is: 23,550.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,221.99 : 49,854.86 = 15,693.59 : x
  2. Step 2: Convert to fraction form
    33,221.99/49,854.86 = 15,693.59/x
  3. Step 3: Cross multiply
    33,221.99x = 49,854.86 × 15,693.59
  4. Step 4: Simplify right side
    33,221.99x = 782,401,732.35
  5. Step 5: Solve for x
    x = 782,401,732.35/33,221.99
  6. Step 6: Final answer
    x = 23,550.72

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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.