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Finding the Fourth Proportional to 36,465.68, 54,698.52 and 11,505.80

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Solution

The fourth proportional to 36,465.68, 54,698.52 and 11,505.80 is: 17,258.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,465.68 : 54,698.52 = 11,505.80 : x
  2. Step 2: Convert to fraction form
    36,465.68/54,698.52 = 11,505.80/x
  3. Step 3: Cross multiply
    36,465.68x = 54,698.52 × 11,505.80
  4. Step 4: Simplify right side
    36,465.68x = 629,350,231.42
  5. Step 5: Solve for x
    x = 629,350,231.42/36,465.68
  6. Step 6: Final answer
    x = 17,258.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.