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Finding the Fourth Proportional to 36,561.31, 54,834.03 and 21,353.71

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Solution

The fourth proportional to 36,561.31, 54,834.03 and 21,353.71 is: 32,025.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,561.31 : 54,834.03 = 21,353.71 : x
  2. Step 2: Convert to fraction form
    36,561.31/54,834.03 = 21,353.71/x
  3. Step 3: Cross multiply
    36,561.31x = 54,834.03 × 21,353.71
  4. Step 4: Simplify right side
    36,561.31x = 1,170,909,974.75
  5. Step 5: Solve for x
    x = 1,170,909,974.75/36,561.31
  6. Step 6: Final answer
    x = 32,025.93

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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.