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Finding the Fourth Proportional to 61,297.75, 91,946.63 and 19,744.75

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Solution

The fourth proportional to 61,297.75, 91,946.63 and 19,744.75 is: 29,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,297.75 : 91,946.63 = 19,744.75 : x
  2. Step 2: Convert to fraction form
    61,297.75/91,946.63 = 19,744.75/x
  3. Step 3: Cross multiply
    61,297.75x = 91,946.63 × 19,744.75
  4. Step 4: Simplify right side
    61,297.75x = 1,815,463,222.69
  5. Step 5: Solve for x
    x = 1,815,463,222.69/61,297.75
  6. Step 6: Final answer
    x = 29,617.13

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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.