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Finding the Fourth Proportional to 63,878.76, 95,832.16 and 18,896.60

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Solution

The fourth proportional to 63,878.76, 95,832.16 and 18,896.60 is: 28,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,878.76 : 95,832.16 = 18,896.60 : x
  2. Step 2: Convert to fraction form
    63,878.76/95,832.16 = 18,896.60/x
  3. Step 3: Cross multiply
    63,878.76x = 95,832.16 × 18,896.60
  4. Step 4: Simplify right side
    63,878.76x = 1,810,901,994.66
  5. Step 5: Solve for x
    x = 1,810,901,994.66/63,878.76
  6. Step 6: Final answer
    x = 28,349.05

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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.