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Finding the Fourth Proportional to 2,704.38, 4,056.02 and 756.06

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Solution

The fourth proportional to 2,704.38, 4,056.02 and 756.06 is: 1,133.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.38 : 4,056.02 = 756.06 : x
  2. Step 2: Convert to fraction form
    2,704.38/4,056.02 = 756.06/x
  3. Step 3: Cross multiply
    2,704.38x = 4,056.02 × 756.06
  4. Step 4: Simplify right side
    2,704.38x = 3,066,594.48
  5. Step 5: Solve for x
    x = 3,066,594.48/2,704.38
  6. Step 6: Final answer
    x = 1,133.94

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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.