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Finding the Fourth Proportional to 32,469.44, 48,699.60 and 12,761.84

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Solution

The fourth proportional to 32,469.44, 48,699.60 and 12,761.84 is: 19,140.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,469.44 : 48,699.60 = 12,761.84 : x
  2. Step 2: Convert to fraction form
    32,469.44/48,699.60 = 12,761.84/x
  3. Step 3: Cross multiply
    32,469.44x = 48,699.60 × 12,761.84
  4. Step 4: Simplify right side
    32,469.44x = 621,496,503.26
  5. Step 5: Solve for x
    x = 621,496,503.26/32,469.44
  6. Step 6: Final answer
    x = 19,140.97

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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.