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Finding the Fourth Proportional to 18,548.82, 27,657.79 and 16,488.18

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Solution

The fourth proportional to 18,548.82, 27,657.79 and 16,488.18 is: 24,585.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.82 : 27,657.79 = 16,488.18 : x
  2. Step 2: Convert to fraction form
    18,548.82/27,657.79 = 16,488.18/x
  3. Step 3: Cross multiply
    18,548.82x = 27,657.79 × 16,488.18
  4. Step 4: Simplify right side
    18,548.82x = 456,026,619.92
  5. Step 5: Solve for x
    x = 456,026,619.92/18,548.82
  6. Step 6: Final answer
    x = 24,585.21

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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.