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Finding the Fourth Proportional to 19,797.72, 27,319.43 and 10,843.77

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Solution

The fourth proportional to 19,797.72, 27,319.43 and 10,843.77 is: 14,963.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.72 : 27,319.43 = 10,843.77 : x
  2. Step 2: Convert to fraction form
    19,797.72/27,319.43 = 10,843.77/x
  3. Step 3: Cross multiply
    19,797.72x = 27,319.43 × 10,843.77
  4. Step 4: Simplify right side
    19,797.72x = 296,245,684.01
  5. Step 5: Solve for x
    x = 296,245,684.01/19,797.72
  6. Step 6: Final answer
    x = 14,963.63

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1.5x scale

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.