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Finding the Fourth Proportional to 62,218, 93,327 and 18,442

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Solution

The fourth proportional to 62,218, 93,327 and 18,442 is: 27,663

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,218 : 93,327 = 18,442 : x
  2. Step 2: Convert to fraction form
    62,218/93,327 = 18,442/x
  3. Step 3: Cross multiply
    62,218x = 93,327 × 18,442
  4. Step 4: Simplify right side
    62,218x = 1,721,136,534
  5. Step 5: Solve for x
    x = 1,721,136,534/62,218
  6. Step 6: Final answer
    x = 27,663

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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.