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Finding the Fourth Proportional to 4,964.24, 7,440.60 and 4,388.24

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Solution

The fourth proportional to 4,964.24, 7,440.60 and 4,388.24 is: 6,577.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,964.24 : 7,440.60 = 4,388.24 : x
  2. Step 2: Convert to fraction form
    4,964.24/7,440.60 = 4,388.24/x
  3. Step 3: Cross multiply
    4,964.24x = 7,440.60 × 4,388.24
  4. Step 4: Simplify right side
    4,964.24x = 32,651,138.54
  5. Step 5: Solve for x
    x = 32,651,138.54/4,964.24
  6. Step 6: Final answer
    x = 6,577.27

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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.