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Finding the Fourth Proportional to 2,668.44, 3,674.76 and 2,660.34

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Solution

The fourth proportional to 2,668.44, 3,674.76 and 2,660.34 is: 3,663.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.44 : 3,674.76 = 2,660.34 : x
  2. Step 2: Convert to fraction form
    2,668.44/3,674.76 = 2,660.34/x
  3. Step 3: Cross multiply
    2,668.44x = 3,674.76 × 2,660.34
  4. Step 4: Simplify right side
    2,668.44x = 9,776,111.02
  5. Step 5: Solve for x
    x = 9,776,111.02/2,668.44
  6. Step 6: Final answer
    x = 3,663.61

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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.