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Finding the Fourth Proportional to 15,994.60, 23,991.90 and 8,588.87

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Solution

The fourth proportional to 15,994.60, 23,991.90 and 8,588.87 is: 12,883.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,994.60 : 23,991.90 = 8,588.87 : x
  2. Step 2: Convert to fraction form
    15,994.60/23,991.90 = 8,588.87/x
  3. Step 3: Cross multiply
    15,994.60x = 23,991.90 × 8,588.87
  4. Step 4: Simplify right side
    15,994.60x = 206,063,403.52
  5. Step 5: Solve for x
    x = 206,063,403.52/15,994.60
  6. Step 6: Final answer
    x = 12,883.31

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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.