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Finding the Fourth Proportional to 63,836.80, 95,798.40 and 28,758.40

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Solution

The fourth proportional to 63,836.80, 95,798.40 and 28,758.40 is: 43,157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,836.80 : 95,798.40 = 28,758.40 : x
  2. Step 2: Convert to fraction form
    63,836.80/95,798.40 = 28,758.40/x
  3. Step 3: Cross multiply
    63,836.80x = 95,798.40 × 28,758.40
  4. Step 4: Simplify right side
    63,836.80x = 2,755,008,706.56
  5. Step 5: Solve for x
    x = 2,755,008,706.56/63,836.80
  6. Step 6: Final answer
    x = 43,157.06

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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.