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Finding the Fourth Proportional to 3,293.32, 4,540.66 and 2,845.32

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Solution

The fourth proportional to 3,293.32, 4,540.66 and 2,845.32 is: 3,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.32 : 4,540.66 = 2,845.32 : x
  2. Step 2: Convert to fraction form
    3,293.32/4,540.66 = 2,845.32/x
  3. Step 3: Cross multiply
    3,293.32x = 4,540.66 × 2,845.32
  4. Step 4: Simplify right side
    3,293.32x = 12,919,630.71
  5. Step 5: Solve for x
    x = 12,919,630.71/3,293.32
  6. Step 6: Final answer
    x = 3,922.98

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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.