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Finding the Fourth Proportional to 18,551.80, 25,603.11 and 10,596.58

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Solution

The fourth proportional to 18,551.80, 25,603.11 and 10,596.58 is: 14,624.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551.80 : 25,603.11 = 10,596.58 : x
  2. Step 2: Convert to fraction form
    18,551.80/25,603.11 = 10,596.58/x
  3. Step 3: Cross multiply
    18,551.80x = 25,603.11 × 10,596.58
  4. Step 4: Simplify right side
    18,551.80x = 271,305,403.36
  5. Step 5: Solve for x
    x = 271,305,403.36/18,551.80
  6. Step 6: Final answer
    x = 14,624.21

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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.