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Finding the Fourth Proportional to 17,162.24, 25,720.08 and 7,289.14

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Solution

The fourth proportional to 17,162.24, 25,720.08 and 7,289.14 is: 10,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,162.24 : 25,720.08 = 7,289.14 : x
  2. Step 2: Convert to fraction form
    17,162.24/25,720.08 = 7,289.14/x
  3. Step 3: Cross multiply
    17,162.24x = 25,720.08 × 7,289.14
  4. Step 4: Simplify right side
    17,162.24x = 187,477,263.93
  5. Step 5: Solve for x
    x = 187,477,263.93/17,162.24
  6. Step 6: Final answer
    x = 10,923.82

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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.