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Finding the Fourth Proportional to 57,469.47, 79,306.64 and 33,271.46

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Solution

The fourth proportional to 57,469.47, 79,306.64 and 33,271.46 is: 45,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,469.47 : 79,306.64 = 33,271.46 : x
  2. Step 2: Convert to fraction form
    57,469.47/79,306.64 = 33,271.46/x
  3. Step 3: Cross multiply
    57,469.47x = 79,306.64 × 33,271.46
  4. Step 4: Simplify right side
    57,469.47x = 2,638,647,700.49
  5. Step 5: Solve for x
    x = 2,638,647,700.49/57,469.47
  6. Step 6: Final answer
    x = 45,913.90

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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.