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Finding the Fourth Proportional to 18,090.12, 24,964.86 and 10,132.17

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Solution

The fourth proportional to 18,090.12, 24,964.86 and 10,132.17 is: 13,982.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.12 : 24,964.86 = 10,132.17 : x
  2. Step 2: Convert to fraction form
    18,090.12/24,964.86 = 10,132.17/x
  3. Step 3: Cross multiply
    18,090.12x = 24,964.86 × 10,132.17
  4. Step 4: Simplify right side
    18,090.12x = 252,948,205.55
  5. Step 5: Solve for x
    x = 252,948,205.55/18,090.12
  6. Step 6: Final answer
    x = 13,982.67

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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.