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Finding the Fourth Proportional to 66,739.60, 92,100.64 and 36,524.96

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Solution

The fourth proportional to 66,739.60, 92,100.64 and 36,524.96 is: 50,404.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,739.60 : 92,100.64 = 36,524.96 : x
  2. Step 2: Convert to fraction form
    66,739.60/92,100.64 = 36,524.96/x
  3. Step 3: Cross multiply
    66,739.60x = 92,100.64 × 36,524.96
  4. Step 4: Simplify right side
    66,739.60x = 3,363,972,191.97
  5. Step 5: Solve for x
    x = 3,363,972,191.97/66,739.60
  6. Step 6: Final answer
    x = 50,404.44

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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.