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Finding the Fourth Proportional to 2,672.76, 3,679.66 and 2,323.32

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Solution

The fourth proportional to 2,672.76, 3,679.66 and 2,323.32 is: 3,198.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.76 : 3,679.66 = 2,323.32 : x
  2. Step 2: Convert to fraction form
    2,672.76/3,679.66 = 2,323.32/x
  3. Step 3: Cross multiply
    2,672.76x = 3,679.66 × 2,323.32
  4. Step 4: Simplify right side
    2,672.76x = 8,549,027.67
  5. Step 5: Solve for x
    x = 8,549,027.67/2,672.76
  6. Step 6: Final answer
    x = 3,198.58

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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.