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Finding the Fourth Proportional to 6,454.41, 8,910.03 and 4,961.80

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Solution

The fourth proportional to 6,454.41, 8,910.03 and 4,961.80 is: 6,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.41 : 8,910.03 = 4,961.80 : x
  2. Step 2: Convert to fraction form
    6,454.41/8,910.03 = 4,961.80/x
  3. Step 3: Cross multiply
    6,454.41x = 8,910.03 × 4,961.80
  4. Step 4: Simplify right side
    6,454.41x = 44,209,786.85
  5. Step 5: Solve for x
    x = 44,209,786.85/6,454.41
  6. Step 6: Final answer
    x = 6,849.55

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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.