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Finding the Fourth Proportional to 48,396.70, 66,788.24 and 27,175.50

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Solution

The fourth proportional to 48,396.70, 66,788.24 and 27,175.50 is: 37,502.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,396.70 : 66,788.24 = 27,175.50 : x
  2. Step 2: Convert to fraction form
    48,396.70/66,788.24 = 27,175.50/x
  3. Step 3: Cross multiply
    48,396.70x = 66,788.24 × 27,175.50
  4. Step 4: Simplify right side
    48,396.70x = 1,815,003,816.12
  5. Step 5: Solve for x
    x = 1,815,003,816.12/48,396.70
  6. Step 6: Final answer
    x = 37,502.64

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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.