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Finding the Fourth Proportional to 69,543.05, 95,969.47 and 37,711.94

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Solution

The fourth proportional to 69,543.05, 95,969.47 and 37,711.94 is: 52,042.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,543.05 : 95,969.47 = 37,711.94 : x
  2. Step 2: Convert to fraction form
    69,543.05/95,969.47 = 37,711.94/x
  3. Step 3: Cross multiply
    69,543.05x = 95,969.47 × 37,711.94
  4. Step 4: Simplify right side
    69,543.05x = 3,619,194,945.84
  5. Step 5: Solve for x
    x = 3,619,194,945.84/69,543.05
  6. Step 6: Final answer
    x = 52,042.51

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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.