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Finding the Fourth Proportional to 36,544.25, 54,818.18 and 11,920.25

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Solution

The fourth proportional to 36,544.25, 54,818.18 and 11,920.25 is: 17,880.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,544.25 : 54,818.18 = 11,920.25 : x
  2. Step 2: Convert to fraction form
    36,544.25/54,818.18 = 11,920.25/x
  3. Step 3: Cross multiply
    36,544.25x = 54,818.18 × 11,920.25
  4. Step 4: Simplify right side
    36,544.25x = 653,446,350.54
  5. Step 5: Solve for x
    x = 653,446,350.54/36,544.25
  6. Step 6: Final answer
    x = 17,880.96

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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.