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Finding the Fourth Proportional to 36,608.31, 54,888.03 and 13,231.71

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Solution

The fourth proportional to 36,608.31, 54,888.03 and 13,231.71 is: 19,838.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,608.31 : 54,888.03 = 13,231.71 : x
  2. Step 2: Convert to fraction form
    36,608.31/54,888.03 = 13,231.71/x
  3. Step 3: Cross multiply
    36,608.31x = 54,888.03 × 13,231.71
  4. Step 4: Simplify right side
    36,608.31x = 726,262,495.43
  5. Step 5: Solve for x
    x = 726,262,495.43/36,608.31
  6. Step 6: Final answer
    x = 19,838.73

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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.