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Finding the Fourth Proportional to 4,905.99, 6,770.13 and 2,667.81

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Solution

The fourth proportional to 4,905.99, 6,770.13 and 2,667.81 is: 3,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.99 : 6,770.13 = 2,667.81 : x
  2. Step 2: Convert to fraction form
    4,905.99/6,770.13 = 2,667.81/x
  3. Step 3: Cross multiply
    4,905.99x = 6,770.13 × 2,667.81
  4. Step 4: Simplify right side
    4,905.99x = 18,061,435.90
  5. Step 5: Solve for x
    x = 18,061,435.90/4,905.99
  6. Step 6: Final answer
    x = 3,681.51

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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.