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Finding the Fourth Proportional to 18,804, 25,942.14 and 12,088.56

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Solution

The fourth proportional to 18,804, 25,942.14 and 12,088.56 is: 16,677.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,804 : 25,942.14 = 12,088.56 : x
  2. Step 2: Convert to fraction form
    18,804/25,942.14 = 12,088.56/x
  3. Step 3: Cross multiply
    18,804x = 25,942.14 × 12,088.56
  4. Step 4: Simplify right side
    18,804x = 313,603,115.92
  5. Step 5: Solve for x
    x = 313,603,115.92/18,804
  6. Step 6: Final answer
    x = 16,677.47

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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.