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Finding the Fourth Proportional to 17,318.88, 25,980.71 and 6,223.50

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Solution

The fourth proportional to 17,318.88, 25,980.71 and 6,223.50 is: 9,336.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,318.88 : 25,980.71 = 6,223.50 : x
  2. Step 2: Convert to fraction form
    17,318.88/25,980.71 = 6,223.50/x
  3. Step 3: Cross multiply
    17,318.88x = 25,980.71 × 6,223.50
  4. Step 4: Simplify right side
    17,318.88x = 161,690,917.57
  5. Step 5: Solve for x
    x = 161,690,917.57/17,318.88
  6. Step 6: Final answer
    x = 9,336.11

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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.