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Finding the Fourth Proportional to 19,796.51, 27,319.20 and 10,844.05

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Solution

The fourth proportional to 19,796.51, 27,319.20 and 10,844.05 is: 14,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,796.51 : 27,319.20 = 10,844.05 : x
  2. Step 2: Convert to fraction form
    19,796.51/27,319.20 = 10,844.05/x
  3. Step 3: Cross multiply
    19,796.51x = 27,319.20 × 10,844.05
  4. Step 4: Simplify right side
    19,796.51x = 296,250,820.35
  5. Step 5: Solve for x
    x = 296,250,820.35/19,796.51
  6. Step 6: Final answer
    x = 14,964.80

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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.