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Finding the Fourth Proportional to 3,772.76, 5,658.02 and 1,306.94

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Solution

The fourth proportional to 3,772.76, 5,658.02 and 1,306.94 is: 1,960.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.76 : 5,658.02 = 1,306.94 : x
  2. Step 2: Convert to fraction form
    3,772.76/5,658.02 = 1,306.94/x
  3. Step 3: Cross multiply
    3,772.76x = 5,658.02 × 1,306.94
  4. Step 4: Simplify right side
    3,772.76x = 7,394,692.66
  5. Step 5: Solve for x
    x = 7,394,692.66/3,772.76
  6. Step 6: Final answer
    x = 1,960.02

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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.