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Finding the Fourth Proportional to 44,958.92, 67,431.92 and 15,372.40

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Solution

The fourth proportional to 44,958.92, 67,431.92 and 15,372.40 is: 23,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,958.92 : 67,431.92 = 15,372.40 : x
  2. Step 2: Convert to fraction form
    44,958.92/67,431.92 = 15,372.40/x
  3. Step 3: Cross multiply
    44,958.92x = 67,431.92 × 15,372.40
  4. Step 4: Simplify right side
    44,958.92x = 1,036,590,447.01
  5. Step 5: Solve for x
    x = 1,036,590,447.01/44,958.92
  6. Step 6: Final answer
    x = 23,056.39

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Why These Related Problems?

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