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Finding the Fourth Proportional to 18,881.58, 26,057.25 and 10,384.36

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Solution

The fourth proportional to 18,881.58, 26,057.25 and 10,384.36 is: 14,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881.58 : 26,057.25 = 10,384.36 : x
  2. Step 2: Convert to fraction form
    18,881.58/26,057.25 = 10,384.36/x
  3. Step 3: Cross multiply
    18,881.58x = 26,057.25 × 10,384.36
  4. Step 4: Simplify right side
    18,881.58x = 270,587,936.12
  5. Step 5: Solve for x
    x = 270,587,936.12/18,881.58
  6. Step 6: Final answer
    x = 14,330.79

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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.