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Finding the Fourth Proportional to 13,233.94, 19,850.90 and 3,999.94

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Solution

The fourth proportional to 13,233.94, 19,850.90 and 3,999.94 is: 5,999.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233.94 : 19,850.90 = 3,999.94 : x
  2. Step 2: Convert to fraction form
    13,233.94/19,850.90 = 3,999.94/x
  3. Step 3: Cross multiply
    13,233.94x = 19,850.90 × 3,999.94
  4. Step 4: Simplify right side
    13,233.94x = 79,402,408.95
  5. Step 5: Solve for x
    x = 79,402,408.95/13,233.94
  6. Step 6: Final answer
    x = 5,999.91

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Similar ratio
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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.