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Finding the Fourth Proportional to 66,083.29, 91,192.50 and 35,867.96

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Solution

The fourth proportional to 66,083.29, 91,192.50 and 35,867.96 is: 49,496.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,083.29 : 91,192.50 = 35,867.96 : x
  2. Step 2: Convert to fraction form
    66,083.29/91,192.50 = 35,867.96/x
  3. Step 3: Cross multiply
    66,083.29x = 91,192.50 × 35,867.96
  4. Step 4: Simplify right side
    66,083.29x = 3,270,888,990.94
  5. Step 5: Solve for x
    x = 3,270,888,990.94/66,083.29
  6. Step 6: Final answer
    x = 49,496.46

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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.