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Finding the Fourth Proportional to 62,936.98, 94,382.98 and 20,809.28

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Solution

The fourth proportional to 62,936.98, 94,382.98 and 20,809.28 is: 31,206.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,936.98 : 94,382.98 = 20,809.28 : x
  2. Step 2: Convert to fraction form
    62,936.98/94,382.98 = 20,809.28/x
  3. Step 3: Cross multiply
    62,936.98x = 94,382.98 × 20,809.28
  4. Step 4: Simplify right side
    62,936.98x = 1,964,041,754.01
  5. Step 5: Solve for x
    x = 1,964,041,754.01/62,936.98
  6. Step 6: Final answer
    x = 31,206.48

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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.