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Finding the Fourth Proportional to 63,679.60, 95,494.37 and 21,548.08

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Solution

The fourth proportional to 63,679.60, 95,494.37 and 21,548.08 is: 32,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,679.60 : 95,494.37 = 21,548.08 : x
  2. Step 2: Convert to fraction form
    63,679.60/95,494.37 = 21,548.08/x
  3. Step 3: Cross multiply
    63,679.60x = 95,494.37 × 21,548.08
  4. Step 4: Simplify right side
    63,679.60x = 2,057,719,846.84
  5. Step 5: Solve for x
    x = 2,057,719,846.84/63,679.60
  6. Step 6: Final answer
    x = 32,313.65

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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.