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Finding the Fourth Proportional to 16,937.66, 25,422.24 and 8,623.89

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Solution

The fourth proportional to 16,937.66, 25,422.24 and 8,623.89 is: 12,943.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,937.66 : 25,422.24 = 8,623.89 : x
  2. Step 2: Convert to fraction form
    16,937.66/25,422.24 = 8,623.89/x
  3. Step 3: Cross multiply
    16,937.66x = 25,422.24 × 8,623.89
  4. Step 4: Simplify right side
    16,937.66x = 219,238,601.31
  5. Step 5: Solve for x
    x = 219,238,601.31/16,937.66
  6. Step 6: Final answer
    x = 12,943.86

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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.