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Finding the Fourth Proportional to 17,424.96, 23,994 and 15,757.92

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Solution

The fourth proportional to 17,424.96, 23,994 and 15,757.92 is: 21,698.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,424.96 : 23,994 = 15,757.92 : x
  2. Step 2: Convert to fraction form
    17,424.96/23,994 = 15,757.92/x
  3. Step 3: Cross multiply
    17,424.96x = 23,994 × 15,757.92
  4. Step 4: Simplify right side
    17,424.96x = 378,095,532.48
  5. Step 5: Solve for x
    x = 378,095,532.48/17,424.96
  6. Step 6: Final answer
    x = 21,698.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.