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Finding the Fourth Proportional to 64,662.83, 96,912 and 29,086.11

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Solution

The fourth proportional to 64,662.83, 96,912 and 29,086.11 is: 43,592.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,662.83 : 96,912 = 29,086.11 : x
  2. Step 2: Convert to fraction form
    64,662.83/96,912 = 29,086.11/x
  3. Step 3: Cross multiply
    64,662.83x = 96,912 × 29,086.11
  4. Step 4: Simplify right side
    64,662.83x = 2,818,793,092.32
  5. Step 5: Solve for x
    x = 2,818,793,092.32/64,662.83
  6. Step 6: Final answer
    x = 43,592.17

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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.