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Finding the Fourth Proportional to 4,617.49, 6,914.64 and 2,855.25

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Solution

The fourth proportional to 4,617.49, 6,914.64 and 2,855.25 is: 4,275.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,617.49 : 6,914.64 = 2,855.25 : x
  2. Step 2: Convert to fraction form
    4,617.49/6,914.64 = 2,855.25/x
  3. Step 3: Cross multiply
    4,617.49x = 6,914.64 × 2,855.25
  4. Step 4: Simplify right side
    4,617.49x = 19,743,025.86
  5. Step 5: Solve for x
    x = 19,743,025.86/4,617.49
  6. Step 6: Final answer
    x = 4,275.71

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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.