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Finding the Fourth Proportional to 13,794.79, 20,675.98 and 6,383.59

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Solution

The fourth proportional to 13,794.79, 20,675.98 and 6,383.59 is: 9,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.79 : 20,675.98 = 6,383.59 : x
  2. Step 2: Convert to fraction form
    13,794.79/20,675.98 = 6,383.59/x
  3. Step 3: Cross multiply
    13,794.79x = 20,675.98 × 6,383.59
  4. Step 4: Simplify right side
    13,794.79x = 131,987,012.99
  5. Step 5: Solve for x
    x = 131,987,012.99/13,794.79
  6. Step 6: Final answer
    x = 9,567.89

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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.