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Finding the Fourth Proportional to 55,601.59, 83,404.89 and 18,163.95

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Solution

The fourth proportional to 55,601.59, 83,404.89 and 18,163.95 is: 27,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,601.59 : 83,404.89 = 18,163.95 : x
  2. Step 2: Convert to fraction form
    55,601.59/83,404.89 = 18,163.95/x
  3. Step 3: Cross multiply
    55,601.59x = 83,404.89 × 18,163.95
  4. Step 4: Simplify right side
    55,601.59x = 1,514,961,938.95
  5. Step 5: Solve for x
    x = 1,514,961,938.95/55,601.59
  6. Step 6: Final answer
    x = 27,246.74

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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.