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Finding the Fourth Proportional to 66,895.92, 92,317.41 and 36,684

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Solution

The fourth proportional to 66,895.92, 92,317.41 and 36,684 is: 50,624.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,895.92 : 92,317.41 = 36,684 : x
  2. Step 2: Convert to fraction form
    66,895.92/92,317.41 = 36,684/x
  3. Step 3: Cross multiply
    66,895.92x = 92,317.41 × 36,684
  4. Step 4: Simplify right side
    66,895.92x = 3,386,571,868.44
  5. Step 5: Solve for x
    x = 3,386,571,868.44/66,895.92
  6. Step 6: Final answer
    x = 50,624.49

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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.