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Finding the Fourth Proportional to 33,194.40, 49,790.40 and 13,472.40

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Solution

The fourth proportional to 33,194.40, 49,790.40 and 13,472.40 is: 20,208.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,194.40 : 49,790.40 = 13,472.40 : x
  2. Step 2: Convert to fraction form
    33,194.40/49,790.40 = 13,472.40/x
  3. Step 3: Cross multiply
    33,194.40x = 49,790.40 × 13,472.40
  4. Step 4: Simplify right side
    33,194.40x = 670,796,184.96
  5. Step 5: Solve for x
    x = 670,796,184.96/33,194.40
  6. Step 6: Final answer
    x = 20,208.11

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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.