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Finding the Fourth Proportional to 2,710.56, 4,064 and 1,476.96

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Solution

The fourth proportional to 2,710.56, 4,064 and 1,476.96 is: 2,214.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.56 : 4,064 = 1,476.96 : x
  2. Step 2: Convert to fraction form
    2,710.56/4,064 = 1,476.96/x
  3. Step 3: Cross multiply
    2,710.56x = 4,064 × 1,476.96
  4. Step 4: Simplify right side
    2,710.56x = 6,002,365.44
  5. Step 5: Solve for x
    x = 6,002,365.44/2,710.56
  6. Step 6: Final answer
    x = 2,214.44

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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.