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Finding the Fourth Proportional to 5,916.18, 8,855.81 and 4,357.94

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Solution

The fourth proportional to 5,916.18, 8,855.81 and 4,357.94 is: 6,523.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,916.18 : 8,855.81 = 4,357.94 : x
  2. Step 2: Convert to fraction form
    5,916.18/8,855.81 = 4,357.94/x
  3. Step 3: Cross multiply
    5,916.18x = 8,855.81 × 4,357.94
  4. Step 4: Simplify right side
    5,916.18x = 38,593,022.56
  5. Step 5: Solve for x
    x = 38,593,022.56/5,916.18
  6. Step 6: Final answer
    x = 6,523.31

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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.