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Finding the Fourth Proportional to 6,246.55, 8,621.11 and 4,014.79

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Solution

The fourth proportional to 6,246.55, 8,621.11 and 4,014.79 is: 5,540.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.55 : 8,621.11 = 4,014.79 : x
  2. Step 2: Convert to fraction form
    6,246.55/8,621.11 = 4,014.79/x
  3. Step 3: Cross multiply
    6,246.55x = 8,621.11 × 4,014.79
  4. Step 4: Simplify right side
    6,246.55x = 34,611,946.22
  5. Step 5: Solve for x
    x = 34,611,946.22/6,246.55
  6. Step 6: Final answer
    x = 5,540.97

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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.