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Finding the Fourth Proportional to 18,357.98, 25,335 and 10,804.95

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Solution

The fourth proportional to 18,357.98, 25,335 and 10,804.95 is: 14,911.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,357.98 : 25,335 = 10,804.95 : x
  2. Step 2: Convert to fraction form
    18,357.98/25,335 = 10,804.95/x
  3. Step 3: Cross multiply
    18,357.98x = 25,335 × 10,804.95
  4. Step 4: Simplify right side
    18,357.98x = 273,743,408.25
  5. Step 5: Solve for x
    x = 273,743,408.25/18,357.98
  6. Step 6: Final answer
    x = 14,911.42

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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.