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Finding the Fourth Proportional to 68,746.52, 94,869.96 and 41,889

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Solution

The fourth proportional to 68,746.52, 94,869.96 and 41,889 is: 57,806.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,746.52 : 94,869.96 = 41,889 : x
  2. Step 2: Convert to fraction form
    68,746.52/94,869.96 = 41,889/x
  3. Step 3: Cross multiply
    68,746.52x = 94,869.96 × 41,889
  4. Step 4: Simplify right side
    68,746.52x = 3,974,007,754.44
  5. Step 5: Solve for x
    x = 3,974,007,754.44/68,746.52
  6. Step 6: Final answer
    x = 57,806.68

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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.