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Finding the Fourth Proportional to 6,994.80, 10,482.60 and 5,698.80

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Solution

The fourth proportional to 6,994.80, 10,482.60 and 5,698.80 is: 8,540.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,994.80 : 10,482.60 = 5,698.80 : x
  2. Step 2: Convert to fraction form
    6,994.80/10,482.60 = 5,698.80/x
  3. Step 3: Cross multiply
    6,994.80x = 10,482.60 × 5,698.80
  4. Step 4: Simplify right side
    6,994.80x = 59,738,240.88
  5. Step 5: Solve for x
    x = 59,738,240.88/6,994.80
  6. Step 6: Final answer
    x = 8,540.38

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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.