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Finding the Fourth Proportional to 55,625.59, 83,443.50 and 18,185.86

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Solution

The fourth proportional to 55,625.59, 83,443.50 and 18,185.86 is: 27,280.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625.59 : 83,443.50 = 18,185.86 : x
  2. Step 2: Convert to fraction form
    55,625.59/83,443.50 = 18,185.86/x
  3. Step 3: Cross multiply
    55,625.59x = 83,443.50 × 18,185.86
  4. Step 4: Simplify right side
    55,625.59x = 1,517,491,391.69
  5. Step 5: Solve for x
    x = 1,517,491,391.69/55,625.59
  6. Step 6: Final answer
    x = 27,280.46

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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.