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Finding the Fourth Proportional to 17,304.50, 25,959.99 and 8,070.50

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Solution

The fourth proportional to 17,304.50, 25,959.99 and 8,070.50 is: 12,107.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,304.50 : 25,959.99 = 8,070.50 : x
  2. Step 2: Convert to fraction form
    17,304.50/25,959.99 = 8,070.50/x
  3. Step 3: Cross multiply
    17,304.50x = 25,959.99 × 8,070.50
  4. Step 4: Simplify right side
    17,304.50x = 209,510,099.30
  5. Step 5: Solve for x
    x = 209,510,099.30/17,304.50
  6. Step 6: Final answer
    x = 12,107.26

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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.