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Finding the Fourth Proportional to 13,305.88, 19,958.88 and 3,444.46

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Solution

The fourth proportional to 13,305.88, 19,958.88 and 3,444.46 is: 5,166.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.88 : 19,958.88 = 3,444.46 : x
  2. Step 2: Convert to fraction form
    13,305.88/19,958.88 = 3,444.46/x
  3. Step 3: Cross multiply
    13,305.88x = 19,958.88 × 3,444.46
  4. Step 4: Simplify right side
    13,305.88x = 68,747,563.80
  5. Step 5: Solve for x
    x = 68,747,563.80/13,305.88
  6. Step 6: Final answer
    x = 5,166.71

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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.