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Finding the Fourth Proportional to 63,878.75, 95,832.15 and 18,896.58

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Solution

The fourth proportional to 63,878.75, 95,832.15 and 18,896.58 is: 28,349.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,878.75 : 95,832.15 = 18,896.58 : x
  2. Step 2: Convert to fraction form
    63,878.75/95,832.15 = 18,896.58/x
  3. Step 3: Cross multiply
    63,878.75x = 95,832.15 × 18,896.58
  4. Step 4: Simplify right side
    63,878.75x = 1,810,899,980.15
  5. Step 5: Solve for x
    x = 1,810,899,980.15/63,878.75
  6. Step 6: Final answer
    x = 28,349.02

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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.