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Finding the Fourth Proportional to 4,664.35, 7,006.79 and 2,816.56

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Solution

The fourth proportional to 4,664.35, 7,006.79 and 2,816.56 is: 4,231.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,664.35 : 7,006.79 = 2,816.56 : x
  2. Step 2: Convert to fraction form
    4,664.35/7,006.79 = 2,816.56/x
  3. Step 3: Cross multiply
    4,664.35x = 7,006.79 × 2,816.56
  4. Step 4: Simplify right side
    4,664.35x = 19,735,030.36
  5. Step 5: Solve for x
    x = 19,735,030.36/4,664.35
  6. Step 6: Final answer
    x = 4,231.04

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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.