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Finding the Fourth Proportional to 18,318.41, 27,313.01 and 16,754.51

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Solution

The fourth proportional to 18,318.41, 27,313.01 and 16,754.51 is: 24,981.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.41 : 27,313.01 = 16,754.51 : x
  2. Step 2: Convert to fraction form
    18,318.41/27,313.01 = 16,754.51/x
  3. Step 3: Cross multiply
    18,318.41x = 27,313.01 × 16,754.51
  4. Step 4: Simplify right side
    18,318.41x = 457,615,878.84
  5. Step 5: Solve for x
    x = 457,615,878.84/18,318.41
  6. Step 6: Final answer
    x = 24,981.21

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.