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Finding the Fourth Proportional to 19,797.37, 27,320.38 and 10,845.20

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Solution

The fourth proportional to 19,797.37, 27,320.38 and 10,845.20 is: 14,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.37 : 27,320.38 = 10,845.20 : x
  2. Step 2: Convert to fraction form
    19,797.37/27,320.38 = 10,845.20/x
  3. Step 3: Cross multiply
    19,797.37x = 27,320.38 × 10,845.20
  4. Step 4: Simplify right side
    19,797.37x = 296,294,794.35
  5. Step 5: Solve for x
    x = 296,294,794.35/19,797.37
  6. Step 6: Final answer
    x = 14,966.37

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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.