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Finding the Fourth Proportional to 2,896.64, 4,341.84 and 1,164.80

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Solution

The fourth proportional to 2,896.64, 4,341.84 and 1,164.80 is: 1,745.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.64 : 4,341.84 = 1,164.80 : x
  2. Step 2: Convert to fraction form
    2,896.64/4,341.84 = 1,164.80/x
  3. Step 3: Cross multiply
    2,896.64x = 4,341.84 × 1,164.80
  4. Step 4: Simplify right side
    2,896.64x = 5,057,375.23
  5. Step 5: Solve for x
    x = 5,057,375.23/2,896.64
  6. Step 6: Final answer
    x = 1,745.95

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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.