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Finding the Fourth Proportional to 66,893.22, 92,310.57 and 36,677.75

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Solution

The fourth proportional to 66,893.22, 92,310.57 and 36,677.75 is: 50,614.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,893.22 : 92,310.57 = 36,677.75 : x
  2. Step 2: Convert to fraction form
    66,893.22/92,310.57 = 36,677.75/x
  3. Step 3: Cross multiply
    66,893.22x = 92,310.57 × 36,677.75
  4. Step 4: Simplify right side
    66,893.22x = 3,385,743,547.26
  5. Step 5: Solve for x
    x = 3,385,743,547.26/66,893.22
  6. Step 6: Final answer
    x = 50,614.15

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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.