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Finding the Fourth Proportional to 3,375.36, 5,024.64 and 3,216.32

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Solution

The fourth proportional to 3,375.36, 5,024.64 and 3,216.32 is: 4,787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.36 : 5,024.64 = 3,216.32 : x
  2. Step 2: Convert to fraction form
    3,375.36/5,024.64 = 3,216.32/x
  3. Step 3: Cross multiply
    3,375.36x = 5,024.64 × 3,216.32
  4. Step 4: Simplify right side
    3,375.36x = 16,160,850.12
  5. Step 5: Solve for x
    x = 16,160,850.12/3,375.36
  6. Step 6: Final answer
    x = 4,787.89

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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.