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Finding the Fourth Proportional to 4,295.72, 6,443.22 and 2,214.60

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Solution

The fourth proportional to 4,295.72, 6,443.22 and 2,214.60 is: 3,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,295.72 : 6,443.22 = 2,214.60 : x
  2. Step 2: Convert to fraction form
    4,295.72/6,443.22 = 2,214.60/x
  3. Step 3: Cross multiply
    4,295.72x = 6,443.22 × 2,214.60
  4. Step 4: Simplify right side
    4,295.72x = 14,269,155.01
  5. Step 5: Solve for x
    x = 14,269,155.01/4,295.72
  6. Step 6: Final answer
    x = 3,321.71

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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.