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Finding the Fourth Proportional to 5,766.32, 7,954.20 and 3,641.09

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Solution

The fourth proportional to 5,766.32, 7,954.20 and 3,641.09 is: 5,022.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,766.32 : 7,954.20 = 3,641.09 : x
  2. Step 2: Convert to fraction form
    5,766.32/7,954.20 = 3,641.09/x
  3. Step 3: Cross multiply
    5,766.32x = 7,954.20 × 3,641.09
  4. Step 4: Simplify right side
    5,766.32x = 28,961,958.08
  5. Step 5: Solve for x
    x = 28,961,958.08/5,766.32
  6. Step 6: Final answer
    x = 5,022.61

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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.