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Finding the Fourth Proportional to 11,361.36, 17,037.36 and 3,964.32

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Solution

The fourth proportional to 11,361.36, 17,037.36 and 3,964.32 is: 5,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.36 : 17,037.36 = 3,964.32 : x
  2. Step 2: Convert to fraction form
    11,361.36/17,037.36 = 3,964.32/x
  3. Step 3: Cross multiply
    11,361.36x = 17,037.36 × 3,964.32
  4. Step 4: Simplify right side
    11,361.36x = 67,541,547.00
  5. Step 5: Solve for x
    x = 67,541,547.00/11,361.36
  6. Step 6: Final answer
    x = 5,944.85

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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.