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Finding the Fourth Proportional to 13,049.50, 18,008.31 and 7,460.50

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Solution

The fourth proportional to 13,049.50, 18,008.31 and 7,460.50 is: 10,295.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049.50 : 18,008.31 = 7,460.50 : x
  2. Step 2: Convert to fraction form
    13,049.50/18,008.31 = 7,460.50/x
  3. Step 3: Cross multiply
    13,049.50x = 18,008.31 × 7,460.50
  4. Step 4: Simplify right side
    13,049.50x = 134,350,996.76
  5. Step 5: Solve for x
    x = 134,350,996.76/13,049.50
  6. Step 6: Final answer
    x = 10,295.49

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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.