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Finding the Fourth Proportional to 63,487.89, 95,212.53 and 19,102.86

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Solution

The fourth proportional to 63,487.89, 95,212.53 and 19,102.86 is: 28,648.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,487.89 : 95,212.53 = 19,102.86 : x
  2. Step 2: Convert to fraction form
    63,487.89/95,212.53 = 19,102.86/x
  3. Step 3: Cross multiply
    63,487.89x = 95,212.53 × 19,102.86
  4. Step 4: Simplify right side
    63,487.89x = 1,818,831,630.84
  5. Step 5: Solve for x
    x = 1,818,831,630.84/63,487.89
  6. Step 6: Final answer
    x = 28,648.48

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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.