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Finding the Fourth Proportional to 22,462.76, 30,998.58 and 13,515.50

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Solution

The fourth proportional to 22,462.76, 30,998.58 and 13,515.50 is: 18,651.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,462.76 : 30,998.58 = 13,515.50 : x
  2. Step 2: Convert to fraction form
    22,462.76/30,998.58 = 13,515.50/x
  3. Step 3: Cross multiply
    22,462.76x = 30,998.58 × 13,515.50
  4. Step 4: Simplify right side
    22,462.76x = 418,961,307.99
  5. Step 5: Solve for x
    x = 418,961,307.99/22,462.76
  6. Step 6: Final answer
    x = 18,651.37

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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.