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Finding the Fourth Proportional to 6,625.98, 9,149.78 and 4,944.46

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Solution

The fourth proportional to 6,625.98, 9,149.78 and 4,944.46 is: 6,827.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.98 : 9,149.78 = 4,944.46 : x
  2. Step 2: Convert to fraction form
    6,625.98/9,149.78 = 4,944.46/x
  3. Step 3: Cross multiply
    6,625.98x = 9,149.78 × 4,944.46
  4. Step 4: Simplify right side
    6,625.98x = 45,240,721.22
  5. Step 5: Solve for x
    x = 45,240,721.22/6,625.98
  6. Step 6: Final answer
    x = 6,827.78

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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.