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Finding the Fourth Proportional to 66,820.13, 92,214.07 and 36,605.44

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Solution

The fourth proportional to 66,820.13, 92,214.07 and 36,605.44 is: 50,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,820.13 : 92,214.07 = 36,605.44 : x
  2. Step 2: Convert to fraction form
    66,820.13/92,214.07 = 36,605.44/x
  3. Step 3: Cross multiply
    66,820.13x = 92,214.07 × 36,605.44
  4. Step 4: Simplify right side
    66,820.13x = 3,375,536,606.54
  5. Step 5: Solve for x
    x = 3,375,536,606.54/66,820.13
  6. Step 6: Final answer
    x = 50,516.77

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1.5x scale

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.