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Finding the Fourth Proportional to 4,855.41, 6,692.76 and 3,658.64

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Solution

The fourth proportional to 4,855.41, 6,692.76 and 3,658.64 is: 5,043.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.41 : 6,692.76 = 3,658.64 : x
  2. Step 2: Convert to fraction form
    4,855.41/6,692.76 = 3,658.64/x
  3. Step 3: Cross multiply
    4,855.41x = 6,692.76 × 3,658.64
  4. Step 4: Simplify right side
    4,855.41x = 24,486,365.98
  5. Step 5: Solve for x
    x = 24,486,365.98/4,855.41
  6. Step 6: Final answer
    x = 5,043.11

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1.5x scale

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.