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Finding the Fourth Proportional to 5,898.15, 8,836.83 and 3,118.68

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Solution

The fourth proportional to 5,898.15, 8,836.83 and 3,118.68 is: 4,672.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,898.15 : 8,836.83 = 3,118.68 : x
  2. Step 2: Convert to fraction form
    5,898.15/8,836.83 = 3,118.68/x
  3. Step 3: Cross multiply
    5,898.15x = 8,836.83 × 3,118.68
  4. Step 4: Simplify right side
    5,898.15x = 27,559,244.98
  5. Step 5: Solve for x
    x = 27,559,244.98/5,898.15
  6. Step 6: Final answer
    x = 4,672.52

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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.