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Finding the Fourth Proportional to 3,579.33, 5,363.14 and 3,442.64

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Solution

The fourth proportional to 3,579.33, 5,363.14 and 3,442.64 is: 5,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.33 : 5,363.14 = 3,442.64 : x
  2. Step 2: Convert to fraction form
    3,579.33/5,363.14 = 3,442.64/x
  3. Step 3: Cross multiply
    3,579.33x = 5,363.14 × 3,442.64
  4. Step 4: Simplify right side
    3,579.33x = 18,463,360.29
  5. Step 5: Solve for x
    x = 18,463,360.29/3,579.33
  6. Step 6: Final answer
    x = 5,158.33

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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.