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Finding the Fourth Proportional to 40,164.60, 60,246.90 and 38,633.70

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Solution

The fourth proportional to 40,164.60, 60,246.90 and 38,633.70 is: 57,950.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,164.60 : 60,246.90 = 38,633.70 : x
  2. Step 2: Convert to fraction form
    40,164.60/60,246.90 = 38,633.70/x
  3. Step 3: Cross multiply
    40,164.60x = 60,246.90 × 38,633.70
  4. Step 4: Simplify right side
    40,164.60x = 2,327,560,660.53
  5. Step 5: Solve for x
    x = 2,327,560,660.53/40,164.60
  6. Step 6: Final answer
    x = 57,950.55

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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.