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Finding the Fourth Proportional to 63,484.45, 95,270.49 and 21,931.45

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Solution

The fourth proportional to 63,484.45, 95,270.49 and 21,931.45 is: 32,912.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,484.45 : 95,270.49 = 21,931.45 : x
  2. Step 2: Convert to fraction form
    63,484.45/95,270.49 = 21,931.45/x
  3. Step 3: Cross multiply
    63,484.45x = 95,270.49 × 21,931.45
  4. Step 4: Simplify right side
    63,484.45x = 2,089,419,749.73
  5. Step 5: Solve for x
    x = 2,089,419,749.73/63,484.45
  6. Step 6: Final answer
    x = 32,912.31

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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.