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Finding the Fourth Proportional to 6,604.68, 9,910.72 and 2,711.80

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Solution

The fourth proportional to 6,604.68, 9,910.72 and 2,711.80 is: 4,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,604.68 : 9,910.72 = 2,711.80 : x
  2. Step 2: Convert to fraction form
    6,604.68/9,910.72 = 2,711.80/x
  3. Step 3: Cross multiply
    6,604.68x = 9,910.72 × 2,711.80
  4. Step 4: Simplify right side
    6,604.68x = 26,875,890.50
  5. Step 5: Solve for x
    x = 26,875,890.50/6,604.68
  6. Step 6: Final answer
    x = 4,069.22

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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.