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Finding the Fourth Proportional to 62,543.44, 93,815.64 and 18,173.20

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Solution

The fourth proportional to 62,543.44, 93,815.64 and 18,173.20 is: 27,259.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,543.44 : 93,815.64 = 18,173.20 : x
  2. Step 2: Convert to fraction form
    62,543.44/93,815.64 = 18,173.20/x
  3. Step 3: Cross multiply
    62,543.44x = 93,815.64 × 18,173.20
  4. Step 4: Simplify right side
    62,543.44x = 1,704,930,388.85
  5. Step 5: Solve for x
    x = 1,704,930,388.85/62,543.44
  6. Step 6: Final answer
    x = 27,259.94

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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.