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Finding the Fourth Proportional to 63,606.22, 95,412.03 and 21,487.30

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Solution

The fourth proportional to 63,606.22, 95,412.03 and 21,487.30 is: 32,231.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,606.22 : 95,412.03 = 21,487.30 : x
  2. Step 2: Convert to fraction form
    63,606.22/95,412.03 = 21,487.30/x
  3. Step 3: Cross multiply
    63,606.22x = 95,412.03 × 21,487.30
  4. Step 4: Simplify right side
    63,606.22x = 2,050,146,912.22
  5. Step 5: Solve for x
    x = 2,050,146,912.22/63,606.22
  6. Step 6: Final answer
    x = 32,231.86

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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.