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Finding the Fourth Proportional to 61,313.72, 91,974.49 and 16,334.33

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Solution

The fourth proportional to 61,313.72, 91,974.49 and 16,334.33 is: 24,502.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,313.72 : 91,974.49 = 16,334.33 : x
  2. Step 2: Convert to fraction form
    61,313.72/91,974.49 = 16,334.33/x
  3. Step 3: Cross multiply
    61,313.72x = 91,974.49 × 16,334.33
  4. Step 4: Simplify right side
    61,313.72x = 1,502,341,170.53
  5. Step 5: Solve for x
    x = 1,502,341,170.53/61,313.72
  6. Step 6: Final answer
    x = 24,502.53

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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.