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Finding the Fourth Proportional to 2,668.59, 3,682.64 and 1,473.65

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Solution

The fourth proportional to 2,668.59, 3,682.64 and 1,473.65 is: 2,033.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.59 : 3,682.64 = 1,473.65 : x
  2. Step 2: Convert to fraction form
    2,668.59/3,682.64 = 1,473.65/x
  3. Step 3: Cross multiply
    2,668.59x = 3,682.64 × 1,473.65
  4. Step 4: Simplify right side
    2,668.59x = 5,426,916.33
  5. Step 5: Solve for x
    x = 5,426,916.33/2,668.59
  6. Step 6: Final answer
    x = 2,033.63

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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.