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Finding the Fourth Proportional to 50,706.62, 69,972.90 and 29,195.45

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Solution

The fourth proportional to 50,706.62, 69,972.90 and 29,195.45 is: 40,288.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,706.62 : 69,972.90 = 29,195.45 : x
  2. Step 2: Convert to fraction form
    50,706.62/69,972.90 = 29,195.45/x
  3. Step 3: Cross multiply
    50,706.62x = 69,972.90 × 29,195.45
  4. Step 4: Simplify right side
    50,706.62x = 2,042,890,303.31
  5. Step 5: Solve for x
    x = 2,042,890,303.31/50,706.62
  6. Step 6: Final answer
    x = 40,288.43

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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.