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Finding the Fourth Proportional to 34,883.40, 48,138.52 and 18,968.25

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Solution

The fourth proportional to 34,883.40, 48,138.52 and 18,968.25 is: 26,175.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,883.40 : 48,138.52 = 18,968.25 : x
  2. Step 2: Convert to fraction form
    34,883.40/48,138.52 = 18,968.25/x
  3. Step 3: Cross multiply
    34,883.40x = 48,138.52 × 18,968.25
  4. Step 4: Simplify right side
    34,883.40x = 913,103,481.99
  5. Step 5: Solve for x
    x = 913,103,481.99/34,883.40
  6. Step 6: Final answer
    x = 26,175.87

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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.