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Finding the Fourth Proportional to 59,284.70, 81,827.31 and 49,709.28

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Solution

The fourth proportional to 59,284.70, 81,827.31 and 49,709.28 is: 68,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,284.70 : 81,827.31 = 49,709.28 : x
  2. Step 2: Convert to fraction form
    59,284.70/81,827.31 = 49,709.28/x
  3. Step 3: Cross multiply
    59,284.70x = 81,827.31 × 49,709.28
  4. Step 4: Simplify right side
    59,284.70x = 4,067,576,664.44
  5. Step 5: Solve for x
    x = 4,067,576,664.44/59,284.70
  6. Step 6: Final answer
    x = 68,610.90

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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.