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Finding the Fourth Proportional to 57,304.80, 85,884.30 and 27,658.80

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Solution

The fourth proportional to 57,304.80, 85,884.30 and 27,658.80 is: 41,453.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,304.80 : 85,884.30 = 27,658.80 : x
  2. Step 2: Convert to fraction form
    57,304.80/85,884.30 = 27,658.80/x
  3. Step 3: Cross multiply
    57,304.80x = 85,884.30 × 27,658.80
  4. Step 4: Simplify right side
    57,304.80x = 2,375,456,676.84
  5. Step 5: Solve for x
    x = 2,375,456,676.84/57,304.80
  6. Step 6: Final answer
    x = 41,453.01

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1.5x scale

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.