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Finding the Fourth Proportional to 53,396.70, 73,687.91 and 29,524.38

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Solution

The fourth proportional to 53,396.70, 73,687.91 and 29,524.38 is: 40,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,396.70 : 73,687.91 = 29,524.38 : x
  2. Step 2: Convert to fraction form
    53,396.70/73,687.91 = 29,524.38/x
  3. Step 3: Cross multiply
    53,396.70x = 73,687.91 × 29,524.38
  4. Step 4: Simplify right side
    53,396.70x = 2,175,589,708.62
  5. Step 5: Solve for x
    x = 2,175,589,708.62/53,396.70
  6. Step 6: Final answer
    x = 40,743.90

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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.