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Finding the Fourth Proportional to 7,183.28, 9,913.08 and 4,351.12

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Solution

The fourth proportional to 7,183.28, 9,913.08 and 4,351.12 is: 6,004.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.28 : 9,913.08 = 4,351.12 : x
  2. Step 2: Convert to fraction form
    7,183.28/9,913.08 = 4,351.12/x
  3. Step 3: Cross multiply
    7,183.28x = 9,913.08 × 4,351.12
  4. Step 4: Simplify right side
    7,183.28x = 43,132,992.18
  5. Step 5: Solve for x
    x = 43,132,992.18/7,183.28
  6. Step 6: Final answer
    x = 6,004.64

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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.