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Finding the Fourth Proportional to 18,368, 27,552 and 7,424

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Solution

The fourth proportional to 18,368, 27,552 and 7,424 is: 11,136

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,368 : 27,552 = 7,424 : x
  2. Step 2: Convert to fraction form
    18,368/27,552 = 7,424/x
  3. Step 3: Cross multiply
    18,368x = 27,552 × 7,424
  4. Step 4: Simplify right side
    18,368x = 204,546,048
  5. Step 5: Solve for x
    x = 204,546,048/18,368
  6. Step 6: Final answer
    x = 11,136

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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.