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Finding the Fourth Proportional to 69,542.78, 95,969.06 and 37,711.67

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Solution

The fourth proportional to 69,542.78, 95,969.06 and 37,711.67 is: 52,042.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,542.78 : 95,969.06 = 37,711.67 : x
  2. Step 2: Convert to fraction form
    69,542.78/95,969.06 = 37,711.67/x
  3. Step 3: Cross multiply
    69,542.78x = 95,969.06 × 37,711.67
  4. Step 4: Simplify right side
    69,542.78x = 3,619,152,852.53
  5. Step 5: Solve for x
    x = 3,619,152,852.53/69,542.78
  6. Step 6: Final answer
    x = 52,042.11

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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.