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Finding the Fourth Proportional to 22,287.82, 30,760.34 and 13,792.67

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Solution

The fourth proportional to 22,287.82, 30,760.34 and 13,792.67 is: 19,035.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,287.82 : 30,760.34 = 13,792.67 : x
  2. Step 2: Convert to fraction form
    22,287.82/30,760.34 = 13,792.67/x
  3. Step 3: Cross multiply
    22,287.82x = 30,760.34 × 13,792.67
  4. Step 4: Simplify right side
    22,287.82x = 424,267,349.22
  5. Step 5: Solve for x
    x = 424,267,349.22/22,287.82
  6. Step 6: Final answer
    x = 19,035.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.