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Finding the Fourth Proportional to 4,997.60, 7,494.97 and 1,487.46

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Solution

The fourth proportional to 4,997.60, 7,494.97 and 1,487.46 is: 2,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.60 : 7,494.97 = 1,487.46 : x
  2. Step 2: Convert to fraction form
    4,997.60/7,494.97 = 1,487.46/x
  3. Step 3: Cross multiply
    4,997.60x = 7,494.97 × 1,487.46
  4. Step 4: Simplify right side
    4,997.60x = 11,148,468.08
  5. Step 5: Solve for x
    x = 11,148,468.08/4,997.60
  6. Step 6: Final answer
    x = 2,230.76

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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.