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Finding the Fourth Proportional to 57,524.56, 79,372.11 and 33,646.48

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Solution

The fourth proportional to 57,524.56, 79,372.11 and 33,646.48 is: 46,425.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,524.56 : 79,372.11 = 33,646.48 : x
  2. Step 2: Convert to fraction form
    57,524.56/79,372.11 = 33,646.48/x
  3. Step 3: Cross multiply
    57,524.56x = 79,372.11 × 33,646.48
  4. Step 4: Simplify right side
    57,524.56x = 2,670,592,111.67
  5. Step 5: Solve for x
    x = 2,670,592,111.67/57,524.56
  6. Step 6: Final answer
    x = 46,425.25

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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.