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Finding the Fourth Proportional to 63,794.39, 95,705.42 and 19,419.99

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Solution

The fourth proportional to 63,794.39, 95,705.42 and 19,419.99 is: 29,134.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,794.39 : 95,705.42 = 19,419.99 : x
  2. Step 2: Convert to fraction form
    63,794.39/95,705.42 = 19,419.99/x
  3. Step 3: Cross multiply
    63,794.39x = 95,705.42 × 19,419.99
  4. Step 4: Simplify right side
    63,794.39x = 1,858,597,843.35
  5. Step 5: Solve for x
    x = 1,858,597,843.35/63,794.39
  6. Step 6: Final answer
    x = 29,134.19

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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.