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Finding the Fourth Proportional to 2,670.96, 3,678.24 and 2,662.84

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Solution

The fourth proportional to 2,670.96, 3,678.24 and 2,662.84 is: 3,667.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.96 : 3,678.24 = 2,662.84 : x
  2. Step 2: Convert to fraction form
    2,670.96/3,678.24 = 2,662.84/x
  3. Step 3: Cross multiply
    2,670.96x = 3,678.24 × 2,662.84
  4. Step 4: Simplify right side
    2,670.96x = 9,794,564.60
  5. Step 5: Solve for x
    x = 9,794,564.60/2,670.96
  6. Step 6: Final answer
    x = 3,667.06

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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.