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Finding the Fourth Proportional to 8,556.54, 12,836.70 and 2,633.46

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Solution

The fourth proportional to 8,556.54, 12,836.70 and 2,633.46 is: 3,950.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.54 : 12,836.70 = 2,633.46 : x
  2. Step 2: Convert to fraction form
    8,556.54/12,836.70 = 2,633.46/x
  3. Step 3: Cross multiply
    8,556.54x = 12,836.70 × 2,633.46
  4. Step 4: Simplify right side
    8,556.54x = 33,804,935.98
  5. Step 5: Solve for x
    x = 33,804,935.98/8,556.54
  6. Step 6: Final answer
    x = 3,950.77

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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.