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Finding the Fourth Proportional to 4,662.72, 6,994.80 and 1,740.96

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Solution

The fourth proportional to 4,662.72, 6,994.80 and 1,740.96 is: 2,611.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,662.72 : 6,994.80 = 1,740.96 : x
  2. Step 2: Convert to fraction form
    4,662.72/6,994.80 = 1,740.96/x
  3. Step 3: Cross multiply
    4,662.72x = 6,994.80 × 1,740.96
  4. Step 4: Simplify right side
    4,662.72x = 12,177,667.01
  5. Step 5: Solve for x
    x = 12,177,667.01/4,662.72
  6. Step 6: Final answer
    x = 2,611.71

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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.