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Finding the Fourth Proportional to 69,485.66, 95,890.21 and 37,654.56

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Solution

The fourth proportional to 69,485.66, 95,890.21 and 37,654.56 is: 51,963.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,485.66 : 95,890.21 = 37,654.56 : x
  2. Step 2: Convert to fraction form
    69,485.66/95,890.21 = 37,654.56/x
  3. Step 3: Cross multiply
    69,485.66x = 95,890.21 × 37,654.56
  4. Step 4: Simplify right side
    69,485.66x = 3,610,703,569.25
  5. Step 5: Solve for x
    x = 3,610,703,569.25/69,485.66
  6. Step 6: Final answer
    x = 51,963.29

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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.