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Finding the Fourth Proportional to 17,917.09, 26,880.09 and 6,230.41

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Solution

The fourth proportional to 17,917.09, 26,880.09 and 6,230.41 is: 9,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,917.09 : 26,880.09 = 6,230.41 : x
  2. Step 2: Convert to fraction form
    17,917.09/26,880.09 = 6,230.41/x
  3. Step 3: Cross multiply
    17,917.09x = 26,880.09 × 6,230.41
  4. Step 4: Simplify right side
    17,917.09x = 167,473,981.54
  5. Step 5: Solve for x
    x = 167,473,981.54/17,917.09
  6. Step 6: Final answer
    x = 9,347.16

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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.