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Finding the Fourth Proportional to 4,324.58, 6,483.36 and 3,978.60

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Solution

The fourth proportional to 4,324.58, 6,483.36 and 3,978.60 is: 5,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,324.58 : 6,483.36 = 3,978.60 : x
  2. Step 2: Convert to fraction form
    4,324.58/6,483.36 = 3,978.60/x
  3. Step 3: Cross multiply
    4,324.58x = 6,483.36 × 3,978.60
  4. Step 4: Simplify right side
    4,324.58x = 25,794,696.10
  5. Step 5: Solve for x
    x = 25,794,696.10/4,324.58
  6. Step 6: Final answer
    x = 5,964.68

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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.