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Finding the Fourth Proportional to 4,918.56, 7,377.82 and 4,051.04

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Solution

The fourth proportional to 4,918.56, 7,377.82 and 4,051.04 is: 6,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.56 : 7,377.82 = 4,051.04 : x
  2. Step 2: Convert to fraction form
    4,918.56/7,377.82 = 4,051.04/x
  3. Step 3: Cross multiply
    4,918.56x = 7,377.82 × 4,051.04
  4. Step 4: Simplify right side
    4,918.56x = 29,887,843.93
  5. Step 5: Solve for x
    x = 29,887,843.93/4,918.56
  6. Step 6: Final answer
    x = 6,076.54

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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.