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Finding the Fourth Proportional to 4,516.79, 6,776.01 and 2,051.79

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Solution

The fourth proportional to 4,516.79, 6,776.01 and 2,051.79 is: 3,078.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,516.79 : 6,776.01 = 2,051.79 : x
  2. Step 2: Convert to fraction form
    4,516.79/6,776.01 = 2,051.79/x
  3. Step 3: Cross multiply
    4,516.79x = 6,776.01 × 2,051.79
  4. Step 4: Simplify right side
    4,516.79x = 13,902,949.56
  5. Step 5: Solve for x
    x = 13,902,949.56/4,516.79
  6. Step 6: Final answer
    x = 3,078.06

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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.