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Finding the Fourth Proportional to 27,368.65, 41,052.73 and 8,648.69

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Solution

The fourth proportional to 27,368.65, 41,052.73 and 8,648.69 is: 12,972.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,368.65 : 41,052.73 = 8,648.69 : x
  2. Step 2: Convert to fraction form
    27,368.65/41,052.73 = 8,648.69/x
  3. Step 3: Cross multiply
    27,368.65x = 41,052.73 × 8,648.69
  4. Step 4: Simplify right side
    27,368.65x = 355,052,355.68
  5. Step 5: Solve for x
    x = 355,052,355.68/27,368.65
  6. Step 6: Final answer
    x = 12,972.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.