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Finding the Fourth Proportional to 2,668.66, 3,682.78 and 1,473.70

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Solution

The fourth proportional to 2,668.66, 3,682.78 and 1,473.70 is: 2,033.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.66 : 3,682.78 = 1,473.70 : x
  2. Step 2: Convert to fraction form
    2,668.66/3,682.78 = 1,473.70/x
  3. Step 3: Cross multiply
    2,668.66x = 3,682.78 × 1,473.70
  4. Step 4: Simplify right side
    2,668.66x = 5,427,312.89
  5. Step 5: Solve for x
    x = 5,427,312.89/2,668.66
  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.