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Finding the Fourth Proportional to 40,432, 55,796.52 and 23,665.36

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Solution

The fourth proportional to 40,432, 55,796.52 and 23,665.36 is: 32,658.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,432 : 55,796.52 = 23,665.36 : x
  2. Step 2: Convert to fraction form
    40,432/55,796.52 = 23,665.36/x
  3. Step 3: Cross multiply
    40,432x = 55,796.52 × 23,665.36
  4. Step 4: Simplify right side
    40,432x = 1,320,444,732.55
  5. Step 5: Solve for x
    x = 1,320,444,732.55/40,432
  6. Step 6: Final answer
    x = 32,658.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.