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Finding the Fourth Proportional to 17,607.74, 26,409.11 and 6,512.54

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Solution

The fourth proportional to 17,607.74, 26,409.11 and 6,512.54 is: 9,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,607.74 : 26,409.11 = 6,512.54 : x
  2. Step 2: Convert to fraction form
    17,607.74/26,409.11 = 6,512.54/x
  3. Step 3: Cross multiply
    17,607.74x = 26,409.11 × 6,512.54
  4. Step 4: Simplify right side
    17,607.74x = 171,990,220.63
  5. Step 5: Solve for x
    x = 171,990,220.63/17,607.74
  6. Step 6: Final answer
    x = 9,767.88

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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.