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Finding the Fourth Proportional to 63,419.68, 95,105.04 and 19,036

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Solution

The fourth proportional to 63,419.68, 95,105.04 and 19,036 is: 28,546.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,419.68 : 95,105.04 = 19,036 : x
  2. Step 2: Convert to fraction form
    63,419.68/95,105.04 = 19,036/x
  3. Step 3: Cross multiply
    63,419.68x = 95,105.04 × 19,036
  4. Step 4: Simplify right side
    63,419.68x = 1,810,419,541.44
  5. Step 5: Solve for x
    x = 1,810,419,541.44/63,419.68
  6. Step 6: Final answer
    x = 28,546.65

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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.