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Finding the Fourth Proportional to 6,367.81, 9,550.07 and 1,983.01

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Solution

The fourth proportional to 6,367.81, 9,550.07 and 1,983.01 is: 2,974.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,367.81 : 9,550.07 = 1,983.01 : x
  2. Step 2: Convert to fraction form
    6,367.81/9,550.07 = 1,983.01/x
  3. Step 3: Cross multiply
    6,367.81x = 9,550.07 × 1,983.01
  4. Step 4: Simplify right side
    6,367.81x = 18,937,826.65
  5. Step 5: Solve for x
    x = 18,937,826.65/6,367.81
  6. Step 6: Final answer
    x = 2,974.00

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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.