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Finding the Fourth Proportional to 6,229.58, 9,339.80 and 2,940.84

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Solution

The fourth proportional to 6,229.58, 9,339.80 and 2,940.84 is: 4,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,229.58 : 9,339.80 = 2,940.84 : x
  2. Step 2: Convert to fraction form
    6,229.58/9,339.80 = 2,940.84/x
  3. Step 3: Cross multiply
    6,229.58x = 9,339.80 × 2,940.84
  4. Step 4: Simplify right side
    6,229.58x = 27,466,857.43
  5. Step 5: Solve for x
    x = 27,466,857.43/6,229.58
  6. Step 6: Final answer
    x = 4,409.10

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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.