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Finding the Fourth Proportional to 69,659.53, 96,129.30 and 37,828.66

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Solution

The fourth proportional to 69,659.53, 96,129.30 and 37,828.66 is: 52,203.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,659.53 : 96,129.30 = 37,828.66 : x
  2. Step 2: Convert to fraction form
    69,659.53/96,129.30 = 37,828.66/x
  3. Step 3: Cross multiply
    69,659.53x = 96,129.30 × 37,828.66
  4. Step 4: Simplify right side
    69,659.53x = 3,636,442,365.41
  5. Step 5: Solve for x
    x = 3,636,442,365.41/69,659.53
  6. Step 6: Final answer
    x = 52,203.09

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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.