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Finding the Fourth Proportional to 61,254.15, 91,884.37 and 16,879.92

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Solution

The fourth proportional to 61,254.15, 91,884.37 and 16,879.92 is: 25,320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,254.15 : 91,884.37 = 16,879.92 : x
  2. Step 2: Convert to fraction form
    61,254.15/91,884.37 = 16,879.92/x
  3. Step 3: Cross multiply
    61,254.15x = 91,884.37 × 16,879.92
  4. Step 4: Simplify right side
    61,254.15x = 1,551,000,814.85
  5. Step 5: Solve for x
    x = 1,551,000,814.85/61,254.15
  6. Step 6: Final answer
    x = 25,320.75

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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.