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Finding the Fourth Proportional to 13,300.62, 19,950.81 and 5,092.62

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Solution

The fourth proportional to 13,300.62, 19,950.81 and 5,092.62 is: 7,638.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300.62 : 19,950.81 = 5,092.62 : x
  2. Step 2: Convert to fraction form
    13,300.62/19,950.81 = 5,092.62/x
  3. Step 3: Cross multiply
    13,300.62x = 19,950.81 × 5,092.62
  4. Step 4: Simplify right side
    13,300.62x = 101,601,894.02
  5. Step 5: Solve for x
    x = 101,601,894.02/13,300.62
  6. Step 6: Final answer
    x = 7,638.88

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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.