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Finding the Fourth Proportional to 67,980.48, 93,813 and 37,768.62

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Solution

The fourth proportional to 67,980.48, 93,813 and 37,768.62 is: 52,120.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,980.48 : 93,813 = 37,768.62 : x
  2. Step 2: Convert to fraction form
    67,980.48/93,813 = 37,768.62/x
  3. Step 3: Cross multiply
    67,980.48x = 93,813 × 37,768.62
  4. Step 4: Simplify right side
    67,980.48x = 3,543,187,548.06
  5. Step 5: Solve for x
    x = 3,543,187,548.06/67,980.48
  6. Step 6: Final answer
    x = 52,120.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.