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Finding the Fourth Proportional to 6,895.54, 9,519.15 and 4,245.22

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Solution

The fourth proportional to 6,895.54, 9,519.15 and 4,245.22 is: 5,860.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.54 : 9,519.15 = 4,245.22 : x
  2. Step 2: Convert to fraction form
    6,895.54/9,519.15 = 4,245.22/x
  3. Step 3: Cross multiply
    6,895.54x = 9,519.15 × 4,245.22
  4. Step 4: Simplify right side
    6,895.54x = 40,410,885.96
  5. Step 5: Solve for x
    x = 40,410,885.96/6,895.54
  6. Step 6: Final answer
    x = 5,860.44

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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.