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Finding the Fourth Proportional to 50,711.98, 70,039.97 and 34,551.25

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Solution

The fourth proportional to 50,711.98, 70,039.97 and 34,551.25 is: 47,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,711.98 : 70,039.97 = 34,551.25 : x
  2. Step 2: Convert to fraction form
    50,711.98/70,039.97 = 34,551.25/x
  3. Step 3: Cross multiply
    50,711.98x = 70,039.97 × 34,551.25
  4. Step 4: Simplify right side
    50,711.98x = 2,419,968,513.46
  5. Step 5: Solve for x
    x = 2,419,968,513.46/50,711.98
  6. Step 6: Final answer
    x = 47,719.86

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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.