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Finding the Fourth Proportional to 57,937.94, 79,955.49 and 37,807.70

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Solution

The fourth proportional to 57,937.94, 79,955.49 and 37,807.70 is: 52,175.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,937.94 : 79,955.49 = 37,807.70 : x
  2. Step 2: Convert to fraction form
    57,937.94/79,955.49 = 37,807.70/x
  3. Step 3: Cross multiply
    57,937.94x = 79,955.49 × 37,807.70
  4. Step 4: Simplify right side
    57,937.94x = 3,022,933,179.27
  5. Step 5: Solve for x
    x = 3,022,933,179.27/57,937.94
  6. Step 6: Final answer
    x = 52,175.37

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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.