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Finding the Fourth Proportional to 48,676.61, 67,174.49 and 27,456.29

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Solution

The fourth proportional to 48,676.61, 67,174.49 and 27,456.29 is: 37,890.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,676.61 : 67,174.49 = 27,456.29 : x
  2. Step 2: Convert to fraction form
    48,676.61/67,174.49 = 27,456.29/x
  3. Step 3: Cross multiply
    48,676.61x = 67,174.49 × 27,456.29
  4. Step 4: Simplify right side
    48,676.61x = 1,844,362,140.76
  5. Step 5: Solve for x
    x = 1,844,362,140.76/48,676.61
  6. Step 6: Final answer
    x = 37,890.11

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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.