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Finding the Fourth Proportional to 36,504.88, 50,376.82 and 21,394.54

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Solution

The fourth proportional to 36,504.88, 50,376.82 and 21,394.54 is: 29,524.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,504.88 : 50,376.82 = 21,394.54 : x
  2. Step 2: Convert to fraction form
    36,504.88/50,376.82 = 21,394.54/x
  3. Step 3: Cross multiply
    36,504.88x = 50,376.82 × 21,394.54
  4. Step 4: Simplify right side
    36,504.88x = 1,077,788,890.56
  5. Step 5: Solve for x
    x = 1,077,788,890.56/36,504.88
  6. Step 6: Final answer
    x = 29,524.52

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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.