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Finding the Fourth Proportional to 17,356.54, 26,034.90 and 4,208.91

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Solution

The fourth proportional to 17,356.54, 26,034.90 and 4,208.91 is: 6,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,356.54 : 26,034.90 = 4,208.91 : x
  2. Step 2: Convert to fraction form
    17,356.54/26,034.90 = 4,208.91/x
  3. Step 3: Cross multiply
    17,356.54x = 26,034.90 × 4,208.91
  4. Step 4: Simplify right side
    17,356.54x = 109,578,550.96
  5. Step 5: Solve for x
    x = 109,578,550.96/17,356.54
  6. Step 6: Final answer
    x = 6,313.39

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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.