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Finding the Fourth Proportional to 62,943.71, 86,863.91 and 36,094.94

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Solution

The fourth proportional to 62,943.71, 86,863.91 and 36,094.94 is: 49,811.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,943.71 : 86,863.91 = 36,094.94 : x
  2. Step 2: Convert to fraction form
    62,943.71/86,863.91 = 36,094.94/x
  3. Step 3: Cross multiply
    62,943.71x = 86,863.91 × 36,094.94
  4. Step 4: Simplify right side
    62,943.71x = 3,135,347,004.82
  5. Step 5: Solve for x
    x = 3,135,347,004.82/62,943.71
  6. Step 6: Final answer
    x = 49,811.92

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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.