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Finding the Fourth Proportional to 13,751.37, 18,992.52 and 9,267.39

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Solution

The fourth proportional to 13,751.37, 18,992.52 and 9,267.39 is: 12,799.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751.37 : 18,992.52 = 9,267.39 : x
  2. Step 2: Convert to fraction form
    13,751.37/18,992.52 = 9,267.39/x
  3. Step 3: Cross multiply
    13,751.37x = 18,992.52 × 9,267.39
  4. Step 4: Simplify right side
    13,751.37x = 176,011,089.92
  5. Step 5: Solve for x
    x = 176,011,089.92/13,751.37
  6. Step 6: Final answer
    x = 12,799.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.