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Finding the Fourth Proportional to 17,052.69, 25,570.46 and 9,939.22

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Solution

The fourth proportional to 17,052.69, 25,570.46 and 9,939.22 is: 14,903.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,052.69 : 25,570.46 = 9,939.22 : x
  2. Step 2: Convert to fraction form
    17,052.69/25,570.46 = 9,939.22/x
  3. Step 3: Cross multiply
    17,052.69x = 25,570.46 × 9,939.22
  4. Step 4: Simplify right side
    17,052.69x = 254,150,299.59
  5. Step 5: Solve for x
    x = 254,150,299.59/17,052.69
  6. Step 6: Final answer
    x = 14,903.82

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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.