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Finding the Fourth Proportional to 18,333, 27,500.04 and 4,482

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Solution

The fourth proportional to 18,333, 27,500.04 and 4,482 is: 6,723.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333 : 27,500.04 = 4,482 : x
  2. Step 2: Convert to fraction form
    18,333/27,500.04 = 4,482/x
  3. Step 3: Cross multiply
    18,333x = 27,500.04 × 4,482
  4. Step 4: Simplify right side
    18,333x = 123,255,179.28
  5. Step 5: Solve for x
    x = 123,255,179.28/18,333
  6. Step 6: Final answer
    x = 6,723.13

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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.