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Finding the Fourth Proportional to 8,393.94, 12,590.08 and 2,550.60

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Solution

The fourth proportional to 8,393.94, 12,590.08 and 2,550.60 is: 3,825.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.94 : 12,590.08 = 2,550.60 : x
  2. Step 2: Convert to fraction form
    8,393.94/12,590.08 = 2,550.60/x
  3. Step 3: Cross multiply
    8,393.94x = 12,590.08 × 2,550.60
  4. Step 4: Simplify right side
    8,393.94x = 32,112,258.05
  5. Step 5: Solve for x
    x = 32,112,258.05/8,393.94
  6. Step 6: Final answer
    x = 3,825.65

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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.