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Finding the Fourth Proportional to 2,803, 4,205.04 and 1,264

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Solution

The fourth proportional to 2,803, 4,205.04 and 1,264 is: 1,896.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803 : 4,205.04 = 1,264 : x
  2. Step 2: Convert to fraction form
    2,803/4,205.04 = 1,264/x
  3. Step 3: Cross multiply
    2,803x = 4,205.04 × 1,264
  4. Step 4: Simplify right side
    2,803x = 5,315,170.56
  5. Step 5: Solve for x
    x = 5,315,170.56/2,803
  6. Step 6: Final answer
    x = 1,896.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.