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Finding the Fourth Proportional to 17,292.71, 25,917.03 and 8,410.05

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Solution

The fourth proportional to 17,292.71, 25,917.03 and 8,410.05 is: 12,604.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,292.71 : 25,917.03 = 8,410.05 : x
  2. Step 2: Convert to fraction form
    17,292.71/25,917.03 = 8,410.05/x
  3. Step 3: Cross multiply
    17,292.71x = 25,917.03 × 8,410.05
  4. Step 4: Simplify right side
    17,292.71x = 217,963,518.15
  5. Step 5: Solve for x
    x = 217,963,518.15/17,292.71
  6. Step 6: Final answer
    x = 12,604.36

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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.