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Finding the Fourth Proportional to 66,297.88, 91,491.24 and 36,083.17

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Solution

The fourth proportional to 66,297.88, 91,491.24 and 36,083.17 is: 49,794.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,297.88 : 91,491.24 = 36,083.17 : x
  2. Step 2: Convert to fraction form
    66,297.88/91,491.24 = 36,083.17/x
  3. Step 3: Cross multiply
    66,297.88x = 91,491.24 × 36,083.17
  4. Step 4: Simplify right side
    66,297.88x = 3,301,293,966.43
  5. Step 5: Solve for x
    x = 3,301,293,966.43/66,297.88
  6. Step 6: Final answer
    x = 49,794.86

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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.