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Finding the Fourth Proportional to 62,935.26, 86,850 and 34,640.34

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Solution

The fourth proportional to 62,935.26, 86,850 and 34,640.34 is: 47,803.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,935.26 : 86,850 = 34,640.34 : x
  2. Step 2: Convert to fraction form
    62,935.26/86,850 = 34,640.34/x
  3. Step 3: Cross multiply
    62,935.26x = 86,850 × 34,640.34
  4. Step 4: Simplify right side
    62,935.26x = 3,008,513,529.00
  5. Step 5: Solve for x
    x = 3,008,513,529.00/62,935.26
  6. Step 6: Final answer
    x = 47,803.31

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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.