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Finding the Fourth Proportional to 23,931.68, 33,028.81 and 13,726.69

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Solution

The fourth proportional to 23,931.68, 33,028.81 and 13,726.69 is: 18,944.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,931.68 : 33,028.81 = 13,726.69 : x
  2. Step 2: Convert to fraction form
    23,931.68/33,028.81 = 13,726.69/x
  3. Step 3: Cross multiply
    23,931.68x = 33,028.81 × 13,726.69
  4. Step 4: Simplify right side
    23,931.68x = 453,376,258.19
  5. Step 5: Solve for x
    x = 453,376,258.19/23,931.68
  6. Step 6: Final answer
    x = 18,944.61

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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.