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Finding the Fourth Proportional to 63,493.60, 95,249.12 and 21,376.96

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Solution

The fourth proportional to 63,493.60, 95,249.12 and 21,376.96 is: 32,068.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,493.60 : 95,249.12 = 21,376.96 : x
  2. Step 2: Convert to fraction form
    63,493.60/95,249.12 = 21,376.96/x
  3. Step 3: Cross multiply
    63,493.60x = 95,249.12 × 21,376.96
  4. Step 4: Simplify right side
    63,493.60x = 2,036,136,628.28
  5. Step 5: Solve for x
    x = 2,036,136,628.28/63,493.60
  6. Step 6: Final answer
    x = 32,068.38

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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.