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Finding the Fourth Proportional to 6,260.60, 8,642.22 and 4,022.60

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Solution

The fourth proportional to 6,260.60, 8,642.22 and 4,022.60 is: 5,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,260.60 : 8,642.22 = 4,022.60 : x
  2. Step 2: Convert to fraction form
    6,260.60/8,642.22 = 4,022.60/x
  3. Step 3: Cross multiply
    6,260.60x = 8,642.22 × 4,022.60
  4. Step 4: Simplify right side
    6,260.60x = 34,764,194.17
  5. Step 5: Solve for x
    x = 34,764,194.17/6,260.60
  6. Step 6: Final answer
    x = 5,552.85

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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.