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Finding the Fourth Proportional to 48,393.72, 66,781.62 and 27,173.88

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Solution

The fourth proportional to 48,393.72, 66,781.62 and 27,173.88 is: 37,498.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,393.72 : 66,781.62 = 27,173.88 : x
  2. Step 2: Convert to fraction form
    48,393.72/66,781.62 = 27,173.88/x
  3. Step 3: Cross multiply
    48,393.72x = 66,781.62 × 27,173.88
  4. Step 4: Simplify right side
    48,393.72x = 1,814,715,728.09
  5. Step 5: Solve for x
    x = 1,814,715,728.09/48,393.72
  6. Step 6: Final answer
    x = 37,498.99

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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.