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Finding the Fourth Proportional to 63,686.25, 95,529.38 and 19,910.25

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Solution

The fourth proportional to 63,686.25, 95,529.38 and 19,910.25 is: 29,865.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,686.25 : 95,529.38 = 19,910.25 : x
  2. Step 2: Convert to fraction form
    63,686.25/95,529.38 = 19,910.25/x
  3. Step 3: Cross multiply
    63,686.25x = 95,529.38 × 19,910.25
  4. Step 4: Simplify right side
    63,686.25x = 1,902,013,738.59
  5. Step 5: Solve for x
    x = 1,902,013,738.59/63,686.25
  6. Step 6: Final answer
    x = 29,865.38

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Similar ratio
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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.