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Finding the Fourth Proportional to 48,345.88, 66,720.06 and 27,127

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Solution

The fourth proportional to 48,345.88, 66,720.06 and 27,127 is: 37,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,345.88 : 66,720.06 = 27,127 : x
  2. Step 2: Convert to fraction form
    48,345.88/66,720.06 = 27,127/x
  3. Step 3: Cross multiply
    48,345.88x = 66,720.06 × 27,127
  4. Step 4: Simplify right side
    48,345.88x = 1,809,915,067.62
  5. Step 5: Solve for x
    x = 1,809,915,067.62/48,345.88
  6. Step 6: Final answer
    x = 37,436.80

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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.