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Finding the Fourth Proportional to 6,691.03, 9,232.74 and 3,858.51

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Solution

The fourth proportional to 6,691.03, 9,232.74 and 3,858.51 is: 5,324.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.03 : 9,232.74 = 3,858.51 : x
  2. Step 2: Convert to fraction form
    6,691.03/9,232.74 = 3,858.51/x
  3. Step 3: Cross multiply
    6,691.03x = 9,232.74 × 3,858.51
  4. Step 4: Simplify right side
    6,691.03x = 35,624,619.62
  5. Step 5: Solve for x
    x = 35,624,619.62/6,691.03
  6. Step 6: Final answer
    x = 5,324.24

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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.