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Finding the Fourth Proportional to 14,808.98, 20,436.41 and 8,522.58

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Solution

The fourth proportional to 14,808.98, 20,436.41 and 8,522.58 is: 11,761.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,808.98 : 20,436.41 = 8,522.58 : x
  2. Step 2: Convert to fraction form
    14,808.98/20,436.41 = 8,522.58/x
  3. Step 3: Cross multiply
    14,808.98x = 20,436.41 × 8,522.58
  4. Step 4: Simplify right side
    14,808.98x = 174,170,939.14
  5. Step 5: Solve for x
    x = 174,170,939.14/14,808.98
  6. Step 6: Final answer
    x = 11,761.17

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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.