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Finding the Fourth Proportional to 6,383.52, 8,807.44 and 3,830.24

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Solution

The fourth proportional to 6,383.52, 8,807.44 and 3,830.24 is: 5,284.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.52 : 8,807.44 = 3,830.24 : x
  2. Step 2: Convert to fraction form
    6,383.52/8,807.44 = 3,830.24/x
  3. Step 3: Cross multiply
    6,383.52x = 8,807.44 × 3,830.24
  4. Step 4: Simplify right side
    6,383.52x = 33,734,608.99
  5. Step 5: Solve for x
    x = 33,734,608.99/6,383.52
  6. Step 6: Final answer
    x = 5,284.64

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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.