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Finding the Fourth Proportional to 11,190, 16,774.04 and 4,620.76

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Solution

The fourth proportional to 11,190, 16,774.04 and 4,620.76 is: 6,926.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190 : 16,774.04 = 4,620.76 : x
  2. Step 2: Convert to fraction form
    11,190/16,774.04 = 4,620.76/x
  3. Step 3: Cross multiply
    11,190x = 16,774.04 × 4,620.76
  4. Step 4: Simplify right side
    11,190x = 77,508,813.07
  5. Step 5: Solve for x
    x = 77,508,813.07/11,190
  6. Step 6: Final answer
    x = 6,926.61

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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.