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Finding the Fourth Proportional to 3,603.54, 5,398.41 and 3,182.34

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Solution

The fourth proportional to 3,603.54, 5,398.41 and 3,182.34 is: 4,767.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.54 : 5,398.41 = 3,182.34 : x
  2. Step 2: Convert to fraction form
    3,603.54/5,398.41 = 3,182.34/x
  3. Step 3: Cross multiply
    3,603.54x = 5,398.41 × 3,182.34
  4. Step 4: Simplify right side
    3,603.54x = 17,179,576.08
  5. Step 5: Solve for x
    x = 17,179,576.08/3,603.54
  6. Step 6: Final answer
    x = 4,767.42

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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.