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Finding the Fourth Proportional to 6,818.80, 10,225.80 and 2,200.24

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Solution

The fourth proportional to 6,818.80, 10,225.80 and 2,200.24 is: 3,299.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.80 : 10,225.80 = 2,200.24 : x
  2. Step 2: Convert to fraction form
    6,818.80/10,225.80 = 2,200.24/x
  3. Step 3: Cross multiply
    6,818.80x = 10,225.80 × 2,200.24
  4. Step 4: Simplify right side
    6,818.80x = 22,499,214.19
  5. Step 5: Solve for x
    x = 22,499,214.19/6,818.80
  6. Step 6: Final answer
    x = 3,299.59

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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.