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Finding the Fourth Proportional to 3,372.42, 4,653.92 and 1,880.32

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Solution

The fourth proportional to 3,372.42, 4,653.92 and 1,880.32 is: 2,594.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.42 : 4,653.92 = 1,880.32 : x
  2. Step 2: Convert to fraction form
    3,372.42/4,653.92 = 1,880.32/x
  3. Step 3: Cross multiply
    3,372.42x = 4,653.92 × 1,880.32
  4. Step 4: Simplify right side
    3,372.42x = 8,750,858.85
  5. Step 5: Solve for x
    x = 8,750,858.85/3,372.42
  6. Step 6: Final answer
    x = 2,594.83

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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.