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Finding the Fourth Proportional to 6,313.43, 9,469.79 and 1,930.54

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Solution

The fourth proportional to 6,313.43, 9,469.79 and 1,930.54 is: 2,895.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313.43 : 9,469.79 = 1,930.54 : x
  2. Step 2: Convert to fraction form
    6,313.43/9,469.79 = 1,930.54/x
  3. Step 3: Cross multiply
    6,313.43x = 9,469.79 × 1,930.54
  4. Step 4: Simplify right side
    6,313.43x = 18,281,808.39
  5. Step 5: Solve for x
    x = 18,281,808.39/6,313.43
  6. Step 6: Final answer
    x = 2,895.70

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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.