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Finding the Fourth Proportional to 6,368.31, 9,550.81 and 1,983.51

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Solution

The fourth proportional to 6,368.31, 9,550.81 and 1,983.51 is: 2,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368.31 : 9,550.81 = 1,983.51 : x
  2. Step 2: Convert to fraction form
    6,368.31/9,550.81 = 1,983.51/x
  3. Step 3: Cross multiply
    6,368.31x = 9,550.81 × 1,983.51
  4. Step 4: Simplify right side
    6,368.31x = 18,944,127.14
  5. Step 5: Solve for x
    x = 18,944,127.14/6,368.31
  6. Step 6: Final answer
    x = 2,974.75

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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.