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Finding the Fourth Proportional to 4,906.98, 6,770.89 and 3,018.87

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Solution

The fourth proportional to 4,906.98, 6,770.89 and 3,018.87 is: 4,165.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.98 : 6,770.89 = 3,018.87 : x
  2. Step 2: Convert to fraction form
    4,906.98/6,770.89 = 3,018.87/x
  3. Step 3: Cross multiply
    4,906.98x = 6,770.89 × 3,018.87
  4. Step 4: Simplify right side
    4,906.98x = 20,440,440.47
  5. Step 5: Solve for x
    x = 20,440,440.47/4,906.98
  6. Step 6: Final answer
    x = 4,165.58

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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.