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Finding the Fourth Proportional to 49,652.70, 68,530.68 and 29,505.68

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Solution

The fourth proportional to 49,652.70, 68,530.68 and 29,505.68 is: 40,723.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,652.70 : 68,530.68 = 29,505.68 : x
  2. Step 2: Convert to fraction form
    49,652.70/68,530.68 = 29,505.68/x
  3. Step 3: Cross multiply
    49,652.70x = 68,530.68 × 29,505.68
  4. Step 4: Simplify right side
    49,652.70x = 2,022,044,614.08
  5. Step 5: Solve for x
    x = 2,022,044,614.08/49,652.70
  6. Step 6: Final answer
    x = 40,723.76

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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.