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Finding the Fourth Proportional to 63,913.20, 95,861.40 and 19,544.40

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Solution

The fourth proportional to 63,913.20, 95,861.40 and 19,544.40 is: 29,314.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,913.20 : 95,861.40 = 19,544.40 : x
  2. Step 2: Convert to fraction form
    63,913.20/95,861.40 = 19,544.40/x
  3. Step 3: Cross multiply
    63,913.20x = 95,861.40 × 19,544.40
  4. Step 4: Simplify right side
    63,913.20x = 1,873,553,546.16
  5. Step 5: Solve for x
    x = 1,873,553,546.16/63,913.20
  6. Step 6: Final answer
    x = 29,314.03

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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.