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Finding the Fourth Proportional to 66,818.48, 92,209.50 and 36,604.88

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Solution

The fourth proportional to 66,818.48, 92,209.50 and 36,604.88 is: 50,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,818.48 : 92,209.50 = 36,604.88 : x
  2. Step 2: Convert to fraction form
    66,818.48/92,209.50 = 36,604.88/x
  3. Step 3: Cross multiply
    66,818.48x = 92,209.50 × 36,604.88
  4. Step 4: Simplify right side
    66,818.48x = 3,375,317,221.31
  5. Step 5: Solve for x
    x = 3,375,317,221.31/66,818.48
  6. Step 6: Final answer
    x = 50,514.73

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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.