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Finding the Fourth Proportional to 57,270.88, 79,037.76 and 32,122

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Solution

The fourth proportional to 57,270.88, 79,037.76 and 32,122 is: 44,330.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,270.88 : 79,037.76 = 32,122 : x
  2. Step 2: Convert to fraction form
    57,270.88/79,037.76 = 32,122/x
  3. Step 3: Cross multiply
    57,270.88x = 79,037.76 × 32,122
  4. Step 4: Simplify right side
    57,270.88x = 2,538,850,926.72
  5. Step 5: Solve for x
    x = 2,538,850,926.72/57,270.88
  6. Step 6: Final answer
    x = 44,330.57

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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.