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Finding the Fourth Proportional to 64,902.22, 89,566.10 and 36,608.47

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Solution

The fourth proportional to 64,902.22, 89,566.10 and 36,608.47 is: 50,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,902.22 : 89,566.10 = 36,608.47 : x
  2. Step 2: Convert to fraction form
    64,902.22/89,566.10 = 36,608.47/x
  3. Step 3: Cross multiply
    64,902.22x = 89,566.10 × 36,608.47
  4. Step 4: Simplify right side
    64,902.22x = 3,278,877,701.82
  5. Step 5: Solve for x
    x = 3,278,877,701.82/64,902.22
  6. Step 6: Final answer
    x = 50,520.27

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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.