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Finding the Fourth Proportional to 68,846.50, 94,932.28 and 47,588.86

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Solution

The fourth proportional to 68,846.50, 94,932.28 and 47,588.86 is: 65,620.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,846.50 : 94,932.28 = 47,588.86 : x
  2. Step 2: Convert to fraction form
    68,846.50/94,932.28 = 47,588.86/x
  3. Step 3: Cross multiply
    68,846.50x = 94,932.28 × 47,588.86
  4. Step 4: Simplify right side
    68,846.50x = 4,517,718,982.40
  5. Step 5: Solve for x
    x = 4,517,718,982.40/68,846.50
  6. Step 6: Final answer
    x = 65,620.17

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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.