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Finding the Fourth Proportional to 77,471.62, 116,193.44 and 21,304.44

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Solution

The fourth proportional to 77,471.62, 116,193.44 and 21,304.44 is: 31,952.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,471.62 : 116,193.44 = 21,304.44 : x
  2. Step 2: Convert to fraction form
    77,471.62/116,193.44 = 21,304.44/x
  3. Step 3: Cross multiply
    77,471.62x = 116,193.44 × 21,304.44
  4. Step 4: Simplify right side
    77,471.62x = 2,475,436,170.87
  5. Step 5: Solve for x
    x = 2,475,436,170.87/77,471.62
  6. Step 6: Final answer
    x = 31,952.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.