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Finding the Fourth Proportional to 19,607.52, 27,046.56 and 11,644.56

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Solution

The fourth proportional to 19,607.52, 27,046.56 and 11,644.56 is: 16,062.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,607.52 : 27,046.56 = 11,644.56 : x
  2. Step 2: Convert to fraction form
    19,607.52/27,046.56 = 11,644.56/x
  3. Step 3: Cross multiply
    19,607.52x = 27,046.56 × 11,644.56
  4. Step 4: Simplify right side
    19,607.52x = 314,945,290.71
  5. Step 5: Solve for x
    x = 314,945,290.71/19,607.52
  6. Step 6: Final answer
    x = 16,062.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.