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Finding the Fourth Proportional to 7,392.60, 11,086.20 and 2,462.40

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Solution

The fourth proportional to 7,392.60, 11,086.20 and 2,462.40 is: 3,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.60 : 11,086.20 = 2,462.40 : x
  2. Step 2: Convert to fraction form
    7,392.60/11,086.20 = 2,462.40/x
  3. Step 3: Cross multiply
    7,392.60x = 11,086.20 × 2,462.40
  4. Step 4: Simplify right side
    7,392.60x = 27,298,658.88
  5. Step 5: Solve for x
    x = 27,298,658.88/7,392.60
  6. Step 6: Final answer
    x = 3,692.70

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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.