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Finding the Fourth Proportional to 12,000.30, 16,556.04 and 7,462.68

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Solution

The fourth proportional to 12,000.30, 16,556.04 and 7,462.68 is: 10,295.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000.30 : 16,556.04 = 7,462.68 : x
  2. Step 2: Convert to fraction form
    12,000.30/16,556.04 = 7,462.68/x
  3. Step 3: Cross multiply
    12,000.30x = 16,556.04 × 7,462.68
  4. Step 4: Simplify right side
    12,000.30x = 123,552,428.59
  5. Step 5: Solve for x
    x = 123,552,428.59/12,000.30
  6. Step 6: Final answer
    x = 10,295.78

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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.