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Finding the Fourth Proportional to 27,478.53, 41,203.94 and 19,576.53

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Solution

The fourth proportional to 27,478.53, 41,203.94 and 19,576.53 is: 29,354.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,478.53 : 41,203.94 = 19,576.53 : x
  2. Step 2: Convert to fraction form
    27,478.53/41,203.94 = 19,576.53/x
  3. Step 3: Cross multiply
    27,478.53x = 41,203.94 × 19,576.53
  4. Step 4: Simplify right side
    27,478.53x = 806,630,069.65
  5. Step 5: Solve for x
    x = 806,630,069.65/27,478.53
  6. Step 6: Final answer
    x = 29,354.92

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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.