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Finding the Fourth Proportional to 3,055.26, 4,582.32 and 863.92

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Solution

The fourth proportional to 3,055.26, 4,582.32 and 863.92 is: 1,295.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.26 : 4,582.32 = 863.92 : x
  2. Step 2: Convert to fraction form
    3,055.26/4,582.32 = 863.92/x
  3. Step 3: Cross multiply
    3,055.26x = 4,582.32 × 863.92
  4. Step 4: Simplify right side
    3,055.26x = 3,958,757.89
  5. Step 5: Solve for x
    x = 3,958,757.89/3,055.26
  6. Step 6: Final answer
    x = 1,295.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.