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Finding the Fourth Proportional to 2,995.80, 4,133.72 and 1,736.61

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Solution

The fourth proportional to 2,995.80, 4,133.72 and 1,736.61 is: 2,396.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.80 : 4,133.72 = 1,736.61 : x
  2. Step 2: Convert to fraction form
    2,995.80/4,133.72 = 1,736.61/x
  3. Step 3: Cross multiply
    2,995.80x = 4,133.72 × 1,736.61
  4. Step 4: Simplify right side
    2,995.80x = 7,178,640.47
  5. Step 5: Solve for x
    x = 7,178,640.47/2,995.80
  6. Step 6: Final answer
    x = 2,396.24

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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.