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Finding the Fourth Proportional to 12,065.05, 18,102.73 and 5,046.69

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Solution

The fourth proportional to 12,065.05, 18,102.73 and 5,046.69 is: 7,572.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.05 : 18,102.73 = 5,046.69 : x
  2. Step 2: Convert to fraction form
    12,065.05/18,102.73 = 5,046.69/x
  3. Step 3: Cross multiply
    12,065.05x = 18,102.73 × 5,046.69
  4. Step 4: Simplify right side
    12,065.05x = 91,358,866.46
  5. Step 5: Solve for x
    x = 91,358,866.46/12,065.05
  6. Step 6: Final answer
    x = 7,572.19

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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.