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Finding the Fourth Proportional to 3,880.32, 5,813.16 and 3,004.32

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Solution

The fourth proportional to 3,880.32, 5,813.16 and 3,004.32 is: 4,500.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.32 : 5,813.16 = 3,004.32 : x
  2. Step 2: Convert to fraction form
    3,880.32/5,813.16 = 3,004.32/x
  3. Step 3: Cross multiply
    3,880.32x = 5,813.16 × 3,004.32
  4. Step 4: Simplify right side
    3,880.32x = 17,464,592.85
  5. Step 5: Solve for x
    x = 17,464,592.85/3,880.32
  6. Step 6: Final answer
    x = 4,500.81

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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.