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Finding the Fourth Proportional to 12,576.99, 18,840.83 and 7,300.93

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Solution

The fourth proportional to 12,576.99, 18,840.83 and 7,300.93 is: 10,937.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.99 : 18,840.83 = 7,300.93 : x
  2. Step 2: Convert to fraction form
    12,576.99/18,840.83 = 7,300.93/x
  3. Step 3: Cross multiply
    12,576.99x = 18,840.83 × 7,300.93
  4. Step 4: Simplify right side
    12,576.99x = 137,555,606.22
  5. Step 5: Solve for x
    x = 137,555,606.22/12,576.99
  6. Step 6: Final answer
    x = 10,937.09

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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.