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Finding the Fourth Proportional to 7,083.36, 9,775.03 and 3,896.70

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Solution

The fourth proportional to 7,083.36, 9,775.03 and 3,896.70 is: 5,377.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.36 : 9,775.03 = 3,896.70 : x
  2. Step 2: Convert to fraction form
    7,083.36/9,775.03 = 3,896.70/x
  3. Step 3: Cross multiply
    7,083.36x = 9,775.03 × 3,896.70
  4. Step 4: Simplify right side
    7,083.36x = 38,090,310.53
  5. Step 5: Solve for x
    x = 38,090,310.53/7,083.36
  6. Step 6: Final answer
    x = 5,377.44

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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.