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Finding the Fourth Proportional to 6,880.44, 9,499.50 and 4,789.56

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Solution

The fourth proportional to 6,880.44, 9,499.50 and 4,789.56 is: 6,612.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.44 : 9,499.50 = 4,789.56 : x
  2. Step 2: Convert to fraction form
    6,880.44/9,499.50 = 4,789.56/x
  3. Step 3: Cross multiply
    6,880.44x = 9,499.50 × 4,789.56
  4. Step 4: Simplify right side
    6,880.44x = 45,498,425.22
  5. Step 5: Solve for x
    x = 45,498,425.22/6,880.44
  6. Step 6: Final answer
    x = 6,612.72

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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.