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Finding the Fourth Proportional to 43,062.72, 64,620.96 and 23,354.88

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Solution

The fourth proportional to 43,062.72, 64,620.96 and 23,354.88 is: 35,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,062.72 : 64,620.96 = 23,354.88 : x
  2. Step 2: Convert to fraction form
    43,062.72/64,620.96 = 23,354.88/x
  3. Step 3: Cross multiply
    43,062.72x = 64,620.96 × 23,354.88
  4. Step 4: Simplify right side
    43,062.72x = 1,509,214,766.28
  5. Step 5: Solve for x
    x = 1,509,214,766.28/43,062.72
  6. Step 6: Final answer
    x = 35,046.90

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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.