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Finding the Fourth Proportional to 4,847.24, 7,264.88 and 3,453

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Solution

The fourth proportional to 4,847.24, 7,264.88 and 3,453 is: 5,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.24 : 7,264.88 = 3,453 : x
  2. Step 2: Convert to fraction form
    4,847.24/7,264.88 = 3,453/x
  3. Step 3: Cross multiply
    4,847.24x = 7,264.88 × 3,453
  4. Step 4: Simplify right side
    4,847.24x = 25,085,630.64
  5. Step 5: Solve for x
    x = 25,085,630.64/4,847.24
  6. Step 6: Final answer
    x = 5,175.24

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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.