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Finding the Fourth Proportional to 3,752.42, 5,626.61 and 2,658.92

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Solution

The fourth proportional to 3,752.42, 5,626.61 and 2,658.92 is: 3,986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.42 : 5,626.61 = 2,658.92 : x
  2. Step 2: Convert to fraction form
    3,752.42/5,626.61 = 2,658.92/x
  3. Step 3: Cross multiply
    3,752.42x = 5,626.61 × 2,658.92
  4. Step 4: Simplify right side
    3,752.42x = 14,960,692.57
  5. Step 5: Solve for x
    x = 14,960,692.57/3,752.42
  6. Step 6: Final answer
    x = 3,986.95

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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.