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Finding the Fourth Proportional to 8,245.54, 12,368.36 and 2,698.84

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Solution

The fourth proportional to 8,245.54, 12,368.36 and 2,698.84 is: 4,048.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.54 : 12,368.36 = 2,698.84 : x
  2. Step 2: Convert to fraction form
    8,245.54/12,368.36 = 2,698.84/x
  3. Step 3: Cross multiply
    8,245.54x = 12,368.36 × 2,698.84
  4. Step 4: Simplify right side
    8,245.54x = 33,380,211.21
  5. Step 5: Solve for x
    x = 33,380,211.21/8,245.54
  6. Step 6: Final answer
    x = 4,048.27

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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.