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Finding the Fourth Proportional to 61,284.76, 91,935.78 and 21,833.44

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Solution

The fourth proportional to 61,284.76, 91,935.78 and 21,833.44 is: 32,753.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,284.76 : 91,935.78 = 21,833.44 : x
  2. Step 2: Convert to fraction form
    61,284.76/91,935.78 = 21,833.44/x
  3. Step 3: Cross multiply
    61,284.76x = 91,935.78 × 21,833.44
  4. Step 4: Simplify right side
    61,284.76x = 2,007,274,336.48
  5. Step 5: Solve for x
    x = 2,007,274,336.48/61,284.76
  6. Step 6: Final answer
    x = 32,753.24

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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.