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Finding the Fourth Proportional to 5,758.66, 8,640.42 and 2,836.99

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Solution

The fourth proportional to 5,758.66, 8,640.42 and 2,836.99 is: 4,256.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,758.66 : 8,640.42 = 2,836.99 : x
  2. Step 2: Convert to fraction form
    5,758.66/8,640.42 = 2,836.99/x
  3. Step 3: Cross multiply
    5,758.66x = 8,640.42 × 2,836.99
  4. Step 4: Simplify right side
    5,758.66x = 24,512,785.14
  5. Step 5: Solve for x
    x = 24,512,785.14/5,758.66
  6. Step 6: Final answer
    x = 4,256.68

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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.