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Finding the Fourth Proportional to 17,704.20, 26,569.10 and 7,323.40

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Solution

The fourth proportional to 17,704.20, 26,569.10 and 7,323.40 is: 10,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,704.20 : 26,569.10 = 7,323.40 : x
  2. Step 2: Convert to fraction form
    17,704.20/26,569.10 = 7,323.40/x
  3. Step 3: Cross multiply
    17,704.20x = 26,569.10 × 7,323.40
  4. Step 4: Simplify right side
    17,704.20x = 194,576,146.94
  5. Step 5: Solve for x
    x = 194,576,146.94/17,704.20
  6. Step 6: Final answer
    x = 10,990.39

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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.