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Finding the Fourth Proportional to 44,433, 66,682.32 and 21,059.52

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Solution

The fourth proportional to 44,433, 66,682.32 and 21,059.52 is: 31,604.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,433 : 66,682.32 = 21,059.52 : x
  2. Step 2: Convert to fraction form
    44,433/66,682.32 = 21,059.52/x
  3. Step 3: Cross multiply
    44,433x = 66,682.32 × 21,059.52
  4. Step 4: Simplify right side
    44,433x = 1,404,297,651.69
  5. Step 5: Solve for x
    x = 1,404,297,651.69/44,433
  6. Step 6: Final answer
    x = 31,604.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.