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Finding the Fourth Proportional to 34,963.80, 48,249.90 and 19,048.20

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Solution

The fourth proportional to 34,963.80, 48,249.90 and 19,048.20 is: 26,286.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,963.80 : 48,249.90 = 19,048.20 : x
  2. Step 2: Convert to fraction form
    34,963.80/48,249.90 = 19,048.20/x
  3. Step 3: Cross multiply
    34,963.80x = 48,249.90 × 19,048.20
  4. Step 4: Simplify right side
    34,963.80x = 919,073,745.18
  5. Step 5: Solve for x
    x = 919,073,745.18/34,963.80
  6. Step 6: Final answer
    x = 26,286.44

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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.