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Finding the Fourth Proportional to 18,622.52, 27,924.98 and 6,767.93

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Solution

The fourth proportional to 18,622.52, 27,924.98 and 6,767.93 is: 10,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.52 : 27,924.98 = 6,767.93 : x
  2. Step 2: Convert to fraction form
    18,622.52/27,924.98 = 6,767.93/x
  3. Step 3: Cross multiply
    18,622.52x = 27,924.98 × 6,767.93
  4. Step 4: Simplify right side
    18,622.52x = 188,994,309.89
  5. Step 5: Solve for x
    x = 188,994,309.89/18,622.52
  6. Step 6: Final answer
    x = 10,148.70

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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.