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Finding the Fourth Proportional to 8,768.66, 13,145.49 and 3,834.59

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Solution

The fourth proportional to 8,768.66, 13,145.49 and 3,834.59 is: 5,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.66 : 13,145.49 = 3,834.59 : x
  2. Step 2: Convert to fraction form
    8,768.66/13,145.49 = 3,834.59/x
  3. Step 3: Cross multiply
    8,768.66x = 13,145.49 × 3,834.59
  4. Step 4: Simplify right side
    8,768.66x = 50,407,498.77
  5. Step 5: Solve for x
    x = 50,407,498.77/8,768.66
  6. Step 6: Final answer
    x = 5,748.60

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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.