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Finding the Fourth Proportional to 3,468.54, 4,786.57 and 1,896.63

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Solution

The fourth proportional to 3,468.54, 4,786.57 and 1,896.63 is: 2,617.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.54 : 4,786.57 = 1,896.63 : x
  2. Step 2: Convert to fraction form
    3,468.54/4,786.57 = 1,896.63/x
  3. Step 3: Cross multiply
    3,468.54x = 4,786.57 × 1,896.63
  4. Step 4: Simplify right side
    3,468.54x = 9,078,352.26
  5. Step 5: Solve for x
    x = 9,078,352.26/3,468.54
  6. Step 6: Final answer
    x = 2,617.34

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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.