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Finding the Fourth Proportional to 66,593.41, 99,875.13 and 19,198.29

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Solution

The fourth proportional to 66,593.41, 99,875.13 and 19,198.29 is: 28,793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,593.41 : 99,875.13 = 19,198.29 : x
  2. Step 2: Convert to fraction form
    66,593.41/99,875.13 = 19,198.29/x
  3. Step 3: Cross multiply
    66,593.41x = 99,875.13 × 19,198.29
  4. Step 4: Simplify right side
    66,593.41x = 1,917,431,709.53
  5. Step 5: Solve for x
    x = 1,917,431,709.53/66,593.41
  6. Step 6: Final answer
    x = 28,793.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.