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Finding the Fourth Proportional to 18,950.74, 26,152.44 and 10,453.12

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Solution

The fourth proportional to 18,950.74, 26,152.44 and 10,453.12 is: 14,425.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.74 : 26,152.44 = 10,453.12 : x
  2. Step 2: Convert to fraction form
    18,950.74/26,152.44 = 10,453.12/x
  3. Step 3: Cross multiply
    18,950.74x = 26,152.44 × 10,453.12
  4. Step 4: Simplify right side
    18,950.74x = 273,374,489.03
  5. Step 5: Solve for x
    x = 273,374,489.03/18,950.74
  6. Step 6: Final answer
    x = 14,425.53

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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.