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Finding the Fourth Proportional to 64,902.86, 89,566.08 and 36,608.66

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Solution

The fourth proportional to 64,902.86, 89,566.08 and 36,608.66 is: 50,520.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,902.86 : 89,566.08 = 36,608.66 : x
  2. Step 2: Convert to fraction form
    64,902.86/89,566.08 = 36,608.66/x
  3. Step 3: Cross multiply
    64,902.86x = 89,566.08 × 36,608.66
  4. Step 4: Simplify right side
    64,902.86x = 3,278,894,170.25
  5. Step 5: Solve for x
    x = 3,278,894,170.25/64,902.86
  6. Step 6: Final answer
    x = 50,520.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.