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Finding the Fourth Proportional to 61,194.70, 91,784.76 and 16,825.96

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Solution

The fourth proportional to 61,194.70, 91,784.76 and 16,825.96 is: 25,236.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,194.70 : 91,784.76 = 16,825.96 : x
  2. Step 2: Convert to fraction form
    61,194.70/91,784.76 = 16,825.96/x
  3. Step 3: Cross multiply
    61,194.70x = 91,784.76 × 16,825.96
  4. Step 4: Simplify right side
    61,194.70x = 1,544,366,700.37
  5. Step 5: Solve for x
    x = 1,544,366,700.37/61,194.70
  6. Step 6: Final answer
    x = 25,236.94

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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.