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Finding the Fourth Proportional to 66,886.92, 92,304.99 and 36,675

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Solution

The fourth proportional to 66,886.92, 92,304.99 and 36,675 is: 50,612.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,886.92 : 92,304.99 = 36,675 : x
  2. Step 2: Convert to fraction form
    66,886.92/92,304.99 = 36,675/x
  3. Step 3: Cross multiply
    66,886.92x = 92,304.99 × 36,675
  4. Step 4: Simplify right side
    66,886.92x = 3,385,285,508.25
  5. Step 5: Solve for x
    x = 3,385,285,508.25/66,886.92
  6. Step 6: Final answer
    x = 50,612.07

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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.