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Finding the Fourth Proportional to 23,705.90, 35,563.80 and 7,910.30

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Solution

The fourth proportional to 23,705.90, 35,563.80 and 7,910.30 is: 11,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,705.90 : 35,563.80 = 7,910.30 : x
  2. Step 2: Convert to fraction form
    23,705.90/35,563.80 = 7,910.30/x
  3. Step 3: Cross multiply
    23,705.90x = 35,563.80 × 7,910.30
  4. Step 4: Simplify right side
    23,705.90x = 281,320,327.14
  5. Step 5: Solve for x
    x = 281,320,327.14/23,705.90
  6. Step 6: Final answer
    x = 11,867.10

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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.