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Finding the Fourth Proportional to 61,285.44, 91,933.44 and 16,912.19

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Solution

The fourth proportional to 61,285.44, 91,933.44 and 16,912.19 is: 25,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,285.44 : 91,933.44 = 16,912.19 : x
  2. Step 2: Convert to fraction form
    61,285.44/91,933.44 = 16,912.19/x
  3. Step 3: Cross multiply
    61,285.44x = 91,933.44 × 16,912.19
  4. Step 4: Simplify right side
    61,285.44x = 1,554,796,089.96
  5. Step 5: Solve for x
    x = 1,554,796,089.96/61,285.44
  6. Step 6: Final answer
    x = 25,369.75

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1.5x scale

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.