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Finding the Fourth Proportional to 66,554.62, 91,847.27 and 36,341.86

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Solution

The fourth proportional to 66,554.62, 91,847.27 and 36,341.86 is: 50,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,554.62 : 91,847.27 = 36,341.86 : x
  2. Step 2: Convert to fraction form
    66,554.62/91,847.27 = 36,341.86/x
  3. Step 3: Cross multiply
    66,554.62x = 91,847.27 × 36,341.86
  4. Step 4: Simplify right side
    66,554.62x = 3,337,900,216.39
  5. Step 5: Solve for x
    x = 3,337,900,216.39/66,554.62
  6. Step 6: Final answer
    x = 50,152.80

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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.