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Finding the Fourth Proportional to 11,300.45, 16,947.83 and 5,373.68

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Solution

The fourth proportional to 11,300.45, 16,947.83 and 5,373.68 is: 8,059.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300.45 : 16,947.83 = 5,373.68 : x
  2. Step 2: Convert to fraction form
    11,300.45/16,947.83 = 5,373.68/x
  3. Step 3: Cross multiply
    11,300.45x = 16,947.83 × 5,373.68
  4. Step 4: Simplify right side
    11,300.45x = 91,072,143.81
  5. Step 5: Solve for x
    x = 91,072,143.81/11,300.45
  6. Step 6: Final answer
    x = 8,059.16

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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.