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Finding the Fourth Proportional to 18,592.55, 27,859.09 and 16,704.21

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Solution

The fourth proportional to 18,592.55, 27,859.09 and 16,704.21 is: 25,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.55 : 27,859.09 = 16,704.21 : x
  2. Step 2: Convert to fraction form
    18,592.55/27,859.09 = 16,704.21/x
  3. Step 3: Cross multiply
    18,592.55x = 27,859.09 × 16,704.21
  4. Step 4: Simplify right side
    18,592.55x = 465,364,089.77
  5. Step 5: Solve for x
    x = 465,364,089.77/18,592.55
  6. Step 6: Final answer
    x = 25,029.60

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1.5x scale

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.