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Finding the Fourth Proportional to 2,754.74, 4,133.52 and 1,368.05

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Solution

The fourth proportional to 2,754.74, 4,133.52 and 1,368.05 is: 2,052.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.74 : 4,133.52 = 1,368.05 : x
  2. Step 2: Convert to fraction form
    2,754.74/4,133.52 = 1,368.05/x
  3. Step 3: Cross multiply
    2,754.74x = 4,133.52 × 1,368.05
  4. Step 4: Simplify right side
    2,754.74x = 5,654,841.37
  5. Step 5: Solve for x
    x = 5,654,841.37/2,754.74
  6. Step 6: Final answer
    x = 2,052.77

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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.