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Finding the Fourth Proportional to 6,861.58, 10,267.76 and 5,940.30

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Solution

The fourth proportional to 6,861.58, 10,267.76 and 5,940.30 is: 8,889.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.58 : 10,267.76 = 5,940.30 : x
  2. Step 2: Convert to fraction form
    6,861.58/10,267.76 = 5,940.30/x
  3. Step 3: Cross multiply
    6,861.58x = 10,267.76 × 5,940.30
  4. Step 4: Simplify right side
    6,861.58x = 60,993,628.08
  5. Step 5: Solve for x
    x = 60,993,628.08/6,861.58
  6. Step 6: Final answer
    x = 8,889.16

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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.