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Finding the Fourth Proportional to 50,611.92, 69,839.28 and 29,395.68

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Solution

The fourth proportional to 50,611.92, 69,839.28 and 29,395.68 is: 40,563.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,611.92 : 69,839.28 = 29,395.68 : x
  2. Step 2: Convert to fraction form
    50,611.92/69,839.28 = 29,395.68/x
  3. Step 3: Cross multiply
    50,611.92x = 69,839.28 × 29,395.68
  4. Step 4: Simplify right side
    50,611.92x = 2,052,973,126.31
  5. Step 5: Solve for x
    x = 2,052,973,126.31/50,611.92
  6. Step 6: Final answer
    x = 40,563.04

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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.