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Finding the Fourth Proportional to 67,608.60, 93,299.31 and 37,393.83

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Solution

The fourth proportional to 67,608.60, 93,299.31 and 37,393.83 is: 51,603.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,608.60 : 93,299.31 = 37,393.83 : x
  2. Step 2: Convert to fraction form
    67,608.60/93,299.31 = 37,393.83/x
  3. Step 3: Cross multiply
    67,608.60x = 93,299.31 × 37,393.83
  4. Step 4: Simplify right side
    67,608.60x = 3,488,818,537.26
  5. Step 5: Solve for x
    x = 3,488,818,537.26/67,608.60
  6. Step 6: Final answer
    x = 51,603.18

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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.