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Finding the Fourth Proportional to 17,190.98, 25,764.92 and 9,293.20

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Solution

The fourth proportional to 17,190.98, 25,764.92 and 9,293.20 is: 13,928.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,190.98 : 25,764.92 = 9,293.20 : x
  2. Step 2: Convert to fraction form
    17,190.98/25,764.92 = 9,293.20/x
  3. Step 3: Cross multiply
    17,190.98x = 25,764.92 × 9,293.20
  4. Step 4: Simplify right side
    17,190.98x = 239,438,554.54
  5. Step 5: Solve for x
    x = 239,438,554.54/17,190.98
  6. Step 6: Final answer
    x = 13,928.15

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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.