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Finding the Fourth Proportional to 20,705.00, 31,051.33 and 7,554.29

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Solution

The fourth proportional to 20,705.00, 31,051.33 and 7,554.29 is: 11,329.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,705.00 : 31,051.33 = 7,554.29 : x
  2. Step 2: Convert to fraction form
    20,705.00/31,051.33 = 7,554.29/x
  3. Step 3: Cross multiply
    20,705.00x = 31,051.33 × 7,554.29
  4. Step 4: Simplify right side
    20,705.00x = 234,570,577.56
  5. Step 5: Solve for x
    x = 234,570,577.56/20,705.00
  6. Step 6: Final answer
    x = 11,329.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.