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Finding the Fourth Proportional to 33,231.70, 49,847.55 and 19,407.70

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Solution

The fourth proportional to 33,231.70, 49,847.55 and 19,407.70 is: 29,111.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,231.70 : 49,847.55 = 19,407.70 : x
  2. Step 2: Convert to fraction form
    33,231.70/49,847.55 = 19,407.70/x
  3. Step 3: Cross multiply
    33,231.70x = 49,847.55 × 19,407.70
  4. Step 4: Simplify right side
    33,231.70x = 967,426,296.14
  5. Step 5: Solve for x
    x = 967,426,296.14/33,231.70
  6. Step 6: Final answer
    x = 29,111.55

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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.