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Finding the Fourth Proportional to 2,668.53, 3,682.79 and 1,473.62

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Solution

The fourth proportional to 2,668.53, 3,682.79 and 1,473.62 is: 2,033.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.53 : 3,682.79 = 1,473.62 : x
  2. Step 2: Convert to fraction form
    2,668.53/3,682.79 = 1,473.62/x
  3. Step 3: Cross multiply
    2,668.53x = 3,682.79 × 1,473.62
  4. Step 4: Simplify right side
    2,668.53x = 5,427,047.96
  5. Step 5: Solve for x
    x = 5,427,047.96/2,668.53
  6. Step 6: Final answer
    x = 2,033.72

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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.