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Finding the Fourth Proportional to 30,288.79, 41,797.59 and 16,859.69

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Solution

The fourth proportional to 30,288.79, 41,797.59 and 16,859.69 is: 23,265.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288.79 : 41,797.59 = 16,859.69 : x
  2. Step 2: Convert to fraction form
    30,288.79/41,797.59 = 16,859.69/x
  3. Step 3: Cross multiply
    30,288.79x = 41,797.59 × 16,859.69
  4. Step 4: Simplify right side
    30,288.79x = 704,694,672.04
  5. Step 5: Solve for x
    x = 704,694,672.04/30,288.79
  6. Step 6: Final answer
    x = 23,265.86

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