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Finding the Fourth Proportional to 6,074.88, 8,383.13 and 3,385.98

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Solution

The fourth proportional to 6,074.88, 8,383.13 and 3,385.98 is: 4,672.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,074.88 : 8,383.13 = 3,385.98 : x
  2. Step 2: Convert to fraction form
    6,074.88/8,383.13 = 3,385.98/x
  3. Step 3: Cross multiply
    6,074.88x = 8,383.13 × 3,385.98
  4. Step 4: Simplify right side
    6,074.88x = 28,385,086.28
  5. Step 5: Solve for x
    x = 28,385,086.28/6,074.88
  6. Step 6: Final answer
    x = 4,672.54

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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.