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Finding the Fourth Proportional to 6,667.79, 9,994.86 and 3,370.89

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Solution

The fourth proportional to 6,667.79, 9,994.86 and 3,370.89 is: 5,052.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,667.79 : 9,994.86 = 3,370.89 : x
  2. Step 2: Convert to fraction form
    6,667.79/9,994.86 = 3,370.89/x
  3. Step 3: Cross multiply
    6,667.79x = 9,994.86 × 3,370.89
  4. Step 4: Simplify right side
    6,667.79x = 33,691,573.63
  5. Step 5: Solve for x
    x = 33,691,573.63/6,667.79
  6. Step 6: Final answer
    x = 5,052.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.