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Finding the Fourth Proportional to 41,400.99, 61,783.31 and 36,972.09

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Solution

The fourth proportional to 41,400.99, 61,783.31 and 36,972.09 is: 55,174.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,400.99 : 61,783.31 = 36,972.09 : x
  2. Step 2: Convert to fraction form
    41,400.99/61,783.31 = 36,972.09/x
  3. Step 3: Cross multiply
    41,400.99x = 61,783.31 × 36,972.09
  4. Step 4: Simplify right side
    41,400.99x = 2,284,258,190.25
  5. Step 5: Solve for x
    x = 2,284,258,190.25/41,400.99
  6. Step 6: Final answer
    x = 55,174.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.