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Finding the Fourth Proportional to 27,304.65, 40,922.34 and 12,295.75

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Solution

The fourth proportional to 27,304.65, 40,922.34 and 12,295.75 is: 18,428.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,304.65 : 40,922.34 = 12,295.75 : x
  2. Step 2: Convert to fraction form
    27,304.65/40,922.34 = 12,295.75/x
  3. Step 3: Cross multiply
    27,304.65x = 40,922.34 × 12,295.75
  4. Step 4: Simplify right side
    27,304.65x = 503,170,800.58
  5. Step 5: Solve for x
    x = 503,170,800.58/27,304.65
  6. Step 6: Final answer
    x = 18,428.03

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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.