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Finding the Fourth Proportional to 64,351.36, 96,469.62 and 32,743.74

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Solution

The fourth proportional to 64,351.36, 96,469.62 and 32,743.74 is: 49,086.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,351.36 : 96,469.62 = 32,743.74 : x
  2. Step 2: Convert to fraction form
    64,351.36/96,469.62 = 32,743.74/x
  3. Step 3: Cross multiply
    64,351.36x = 96,469.62 × 32,743.74
  4. Step 4: Simplify right side
    64,351.36x = 3,158,776,155.18
  5. Step 5: Solve for x
    x = 3,158,776,155.18/64,351.36
  6. Step 6: Final answer
    x = 49,086.39

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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.