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Finding the Fourth Proportional to 50,287.44, 69,409.14 and 29,079

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Solution

The fourth proportional to 50,287.44, 69,409.14 and 29,079 is: 40,136.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,287.44 : 69,409.14 = 29,079 : x
  2. Step 2: Convert to fraction form
    50,287.44/69,409.14 = 29,079/x
  3. Step 3: Cross multiply
    50,287.44x = 69,409.14 × 29,079
  4. Step 4: Simplify right side
    50,287.44x = 2,018,348,382.06
  5. Step 5: Solve for x
    x = 2,018,348,382.06/50,287.44
  6. Step 6: Final answer
    x = 40,136.23

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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.