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Finding the Fourth Proportional to 4,905.92, 6,770.07 and 2,667.75

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Solution

The fourth proportional to 4,905.92, 6,770.07 and 2,667.75 is: 3,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.92 : 6,770.07 = 2,667.75 : x
  2. Step 2: Convert to fraction form
    4,905.92/6,770.07 = 2,667.75/x
  3. Step 3: Cross multiply
    4,905.92x = 6,770.07 × 2,667.75
  4. Step 4: Simplify right side
    4,905.92x = 18,060,854.24
  5. Step 5: Solve for x
    x = 18,060,854.24/4,905.92
  6. Step 6: Final answer
    x = 3,681.44

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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.