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Finding the Fourth Proportional to 14,624.92, 20,182.33 and 7,910.56

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Solution

The fourth proportional to 14,624.92, 20,182.33 and 7,910.56 is: 10,916.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,624.92 : 20,182.33 = 7,910.56 : x
  2. Step 2: Convert to fraction form
    14,624.92/20,182.33 = 7,910.56/x
  3. Step 3: Cross multiply
    14,624.92x = 20,182.33 × 7,910.56
  4. Step 4: Simplify right side
    14,624.92x = 159,653,534.15
  5. Step 5: Solve for x
    x = 159,653,534.15/14,624.92
  6. Step 6: Final answer
    x = 10,916.54

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