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Finding the Fourth Proportional to 6,198.88, 8,554.47 and 3,645.99

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Solution

The fourth proportional to 6,198.88, 8,554.47 and 3,645.99 is: 5,031.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,198.88 : 8,554.47 = 3,645.99 : x
  2. Step 2: Convert to fraction form
    6,198.88/8,554.47 = 3,645.99/x
  3. Step 3: Cross multiply
    6,198.88x = 8,554.47 × 3,645.99
  4. Step 4: Simplify right side
    6,198.88x = 31,189,512.08
  5. Step 5: Solve for x
    x = 31,189,512.08/6,198.88
  6. Step 6: Final answer
    x = 5,031.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.