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Finding the Fourth Proportional to 18,539, 27,887.44 and 16,804.95

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Solution

The fourth proportional to 18,539, 27,887.44 and 16,804.95 is: 25,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539 : 27,887.44 = 16,804.95 : x
  2. Step 2: Convert to fraction form
    18,539/27,887.44 = 16,804.95/x
  3. Step 3: Cross multiply
    18,539x = 27,887.44 × 16,804.95
  4. Step 4: Simplify right side
    18,539x = 468,647,034.83
  5. Step 5: Solve for x
    x = 468,647,034.83/18,539
  6. Step 6: Final answer
    x = 25,278.98

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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.