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Finding the Fourth Proportional to 66,734.78, 92,093.96 and 36,520.08

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Solution

The fourth proportional to 66,734.78, 92,093.96 and 36,520.08 is: 50,397.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,734.78 : 92,093.96 = 36,520.08 : x
  2. Step 2: Convert to fraction form
    66,734.78/92,093.96 = 36,520.08/x
  3. Step 3: Cross multiply
    66,734.78x = 92,093.96 × 36,520.08
  4. Step 4: Simplify right side
    66,734.78x = 3,363,278,604.12
  5. Step 5: Solve for x
    x = 3,363,278,604.12/66,734.78
  6. Step 6: Final answer
    x = 50,397.69

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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.