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Finding the Fourth Proportional to 50,667.64, 75,994.98 and 21,079.96

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Solution

The fourth proportional to 50,667.64, 75,994.98 and 21,079.96 is: 31,617.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,667.64 : 75,994.98 = 21,079.96 : x
  2. Step 2: Convert to fraction form
    50,667.64/75,994.98 = 21,079.96/x
  3. Step 3: Cross multiply
    50,667.64x = 75,994.98 × 21,079.96
  4. Step 4: Simplify right side
    50,667.64x = 1,601,971,138.60
  5. Step 5: Solve for x
    x = 1,601,971,138.60/50,667.64
  6. Step 6: Final answer
    x = 31,617.24

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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.