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Finding the Fourth Proportional to 26,161.99, 39,242.98 and 7,693.99

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Solution

The fourth proportional to 26,161.99, 39,242.98 and 7,693.99 is: 11,540.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,161.99 : 39,242.98 = 7,693.99 : x
  2. Step 2: Convert to fraction form
    26,161.99/39,242.98 = 7,693.99/x
  3. Step 3: Cross multiply
    26,161.99x = 39,242.98 × 7,693.99
  4. Step 4: Simplify right side
    26,161.99x = 301,934,880.24
  5. Step 5: Solve for x
    x = 301,934,880.24/26,161.99
  6. Step 6: Final answer
    x = 11,540.98

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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.