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Finding the Fourth Proportional to 17,399.76, 26,096.64 and 5,713.20

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Solution

The fourth proportional to 17,399.76, 26,096.64 and 5,713.20 is: 8,568.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,399.76 : 26,096.64 = 5,713.20 : x
  2. Step 2: Convert to fraction form
    17,399.76/26,096.64 = 5,713.20/x
  3. Step 3: Cross multiply
    17,399.76x = 26,096.64 × 5,713.20
  4. Step 4: Simplify right side
    17,399.76x = 149,095,323.65
  5. Step 5: Solve for x
    x = 149,095,323.65/17,399.76
  6. Step 6: Final answer
    x = 8,568.81

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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.