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Finding the Fourth Proportional to 27,892.60, 41,838.90 and 9,424.60

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Solution

The fourth proportional to 27,892.60, 41,838.90 and 9,424.60 is: 14,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,892.60 : 41,838.90 = 9,424.60 : x
  2. Step 2: Convert to fraction form
    27,892.60/41,838.90 = 9,424.60/x
  3. Step 3: Cross multiply
    27,892.60x = 41,838.90 × 9,424.60
  4. Step 4: Simplify right side
    27,892.60x = 394,314,896.94
  5. Step 5: Solve for x
    x = 394,314,896.94/27,892.60
  6. Step 6: Final answer
    x = 14,136.90

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1.5x scale

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.