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Finding the Fourth Proportional to 48,302.56, 66,644.92 and 27,879.62

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Solution

The fourth proportional to 48,302.56, 66,644.92 and 27,879.62 is: 38,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,302.56 : 66,644.92 = 27,879.62 : x
  2. Step 2: Convert to fraction form
    48,302.56/66,644.92 = 27,879.62/x
  3. Step 3: Cross multiply
    48,302.56x = 66,644.92 × 27,879.62
  4. Step 4: Simplify right side
    48,302.56x = 1,858,035,044.53
  5. Step 5: Solve for x
    x = 1,858,035,044.53/48,302.56
  6. Step 6: Final answer
    x = 38,466.60

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1.5x scale

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.