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Finding the Fourth Proportional to 17,208.13, 25,821.09 and 7,344.76

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Solution

The fourth proportional to 17,208.13, 25,821.09 and 7,344.76 is: 11,020.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,208.13 : 25,821.09 = 7,344.76 : x
  2. Step 2: Convert to fraction form
    17,208.13/25,821.09 = 7,344.76/x
  3. Step 3: Cross multiply
    17,208.13x = 25,821.09 × 7,344.76
  4. Step 4: Simplify right side
    17,208.13x = 189,649,708.99
  5. Step 5: Solve for x
    x = 189,649,708.99/17,208.13
  6. Step 6: Final answer
    x = 11,020.94

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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.