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Finding the Fourth Proportional to 5,968.62, 8,236.62 and 3,315.92

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Solution

The fourth proportional to 5,968.62, 8,236.62 and 3,315.92 is: 4,575.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,968.62 : 8,236.62 = 3,315.92 : x
  2. Step 2: Convert to fraction form
    5,968.62/8,236.62 = 3,315.92/x
  3. Step 3: Cross multiply
    5,968.62x = 8,236.62 × 3,315.92
  4. Step 4: Simplify right side
    5,968.62x = 27,311,931.81
  5. Step 5: Solve for x
    x = 27,311,931.81/5,968.62
  6. Step 6: Final answer
    x = 4,575.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.