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Finding the Fourth Proportional to 8,835.70, 13,253.54 and 2,261.89

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Solution

The fourth proportional to 8,835.70, 13,253.54 and 2,261.89 is: 3,392.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.70 : 13,253.54 = 2,261.89 : x
  2. Step 2: Convert to fraction form
    8,835.70/13,253.54 = 2,261.89/x
  3. Step 3: Cross multiply
    8,835.70x = 13,253.54 × 2,261.89
  4. Step 4: Simplify right side
    8,835.70x = 29,978,049.59
  5. Step 5: Solve for x
    x = 29,978,049.59/8,835.70
  6. Step 6: Final answer
    x = 3,392.83

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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.