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Finding the Fourth Proportional to 19,914.50, 27,483.84 and 10,963.82

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Solution

The fourth proportional to 19,914.50, 27,483.84 and 10,963.82 is: 15,131.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.50 : 27,483.84 = 10,963.82 : x
  2. Step 2: Convert to fraction form
    19,914.50/27,483.84 = 10,963.82/x
  3. Step 3: Cross multiply
    19,914.50x = 27,483.84 × 10,963.82
  4. Step 4: Simplify right side
    19,914.50x = 301,327,874.67
  5. Step 5: Solve for x
    x = 301,327,874.67/19,914.50
  6. Step 6: Final answer
    x = 15,131.08

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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.