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Finding the Fourth Proportional to 8,768.79, 13,153.46 and 3,835.89

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Solution

The fourth proportional to 8,768.79, 13,153.46 and 3,835.89 is: 5,753.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.79 : 13,153.46 = 3,835.89 : x
  2. Step 2: Convert to fraction form
    8,768.79/13,153.46 = 3,835.89/x
  3. Step 3: Cross multiply
    8,768.79x = 13,153.46 × 3,835.89
  4. Step 4: Simplify right side
    8,768.79x = 50,455,206.50
  5. Step 5: Solve for x
    x = 50,455,206.50/8,768.79
  6. Step 6: Final answer
    x = 5,753.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.