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Finding the Fourth Proportional to 2,589.81, 3,858.97 and 2,464.27

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Solution

The fourth proportional to 2,589.81, 3,858.97 and 2,464.27 is: 3,671.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.81 : 3,858.97 = 2,464.27 : x
  2. Step 2: Convert to fraction form
    2,589.81/3,858.97 = 2,464.27/x
  3. Step 3: Cross multiply
    2,589.81x = 3,858.97 × 2,464.27
  4. Step 4: Simplify right side
    2,589.81x = 9,509,544.00
  5. Step 5: Solve for x
    x = 9,509,544.00/2,589.81
  6. Step 6: Final answer
    x = 3,671.91

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.