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Finding the Fourth Proportional to 69,660, 96,129.95 and 37,829.13

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Solution

The fourth proportional to 69,660, 96,129.95 and 37,829.13 is: 52,203.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,660 : 96,129.95 = 37,829.13 : x
  2. Step 2: Convert to fraction form
    69,660/96,129.95 = 37,829.13/x
  3. Step 3: Cross multiply
    69,660x = 96,129.95 × 37,829.13
  4. Step 4: Simplify right side
    69,660x = 3,636,511,967.67
  5. Step 5: Solve for x
    x = 3,636,511,967.67/69,660
  6. Step 6: Final answer
    x = 52,203.73

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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.