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Finding the Fourth Proportional to 43,481.13, 65,222.04 and 15,401.30

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Solution

The fourth proportional to 43,481.13, 65,222.04 and 15,401.30 is: 23,102.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,481.13 : 65,222.04 = 15,401.30 : x
  2. Step 2: Convert to fraction form
    43,481.13/65,222.04 = 15,401.30/x
  3. Step 3: Cross multiply
    43,481.13x = 65,222.04 × 15,401.30
  4. Step 4: Simplify right side
    43,481.13x = 1,004,504,204.65
  5. Step 5: Solve for x
    x = 1,004,504,204.65/43,481.13
  6. Step 6: Final answer
    x = 23,102.07

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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.