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Finding the Fourth Proportional to 66,682.76, 92,021.70 and 36,467.96

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Solution

The fourth proportional to 66,682.76, 92,021.70 and 36,467.96 is: 50,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,682.76 : 92,021.70 = 36,467.96 : x
  2. Step 2: Convert to fraction form
    66,682.76/92,021.70 = 36,467.96/x
  3. Step 3: Cross multiply
    66,682.76x = 92,021.70 × 36,467.96
  4. Step 4: Simplify right side
    66,682.76x = 3,355,843,674.73
  5. Step 5: Solve for x
    x = 3,355,843,674.73/66,682.76
  6. Step 6: Final answer
    x = 50,325.51

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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.