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Finding the Fourth Proportional to 64,770.57, 97,144.92 and 22,648.95

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Solution

The fourth proportional to 64,770.57, 97,144.92 and 22,648.95 is: 33,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,770.57 : 97,144.92 = 22,648.95 : x
  2. Step 2: Convert to fraction form
    64,770.57/97,144.92 = 22,648.95/x
  3. Step 3: Cross multiply
    64,770.57x = 97,144.92 × 22,648.95
  4. Step 4: Simplify right side
    64,770.57x = 2,200,230,435.83
  5. Step 5: Solve for x
    x = 2,200,230,435.83/64,770.57
  6. Step 6: Final answer
    x = 33,969.60

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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.