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Finding the Fourth Proportional to 18,475.17, 25,495.56 and 10,091.67

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Solution

The fourth proportional to 18,475.17, 25,495.56 and 10,091.67 is: 13,926.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.17 : 25,495.56 = 10,091.67 : x
  2. Step 2: Convert to fraction form
    18,475.17/25,495.56 = 10,091.67/x
  3. Step 3: Cross multiply
    18,475.17x = 25,495.56 × 10,091.67
  4. Step 4: Simplify right side
    18,475.17x = 257,292,777.99
  5. Step 5: Solve for x
    x = 257,292,777.99/18,475.17
  6. Step 6: Final answer
    x = 13,926.41

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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.