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Finding the Fourth Proportional to 16,722.74, 25,052.06 and 8,393.01

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Solution

The fourth proportional to 16,722.74, 25,052.06 and 8,393.01 is: 12,573.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,722.74 : 25,052.06 = 8,393.01 : x
  2. Step 2: Convert to fraction form
    16,722.74/25,052.06 = 8,393.01/x
  3. Step 3: Cross multiply
    16,722.74x = 25,052.06 × 8,393.01
  4. Step 4: Simplify right side
    16,722.74x = 210,262,190.10
  5. Step 5: Solve for x
    x = 210,262,190.10/16,722.74
  6. Step 6: Final answer
    x = 12,573.43

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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.