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Finding the Fourth Proportional to 44,670.56, 67,015.56 and 13,505

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Solution

The fourth proportional to 44,670.56, 67,015.56 and 13,505 is: 20,260.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,670.56 : 67,015.56 = 13,505 : x
  2. Step 2: Convert to fraction form
    44,670.56/67,015.56 = 13,505/x
  3. Step 3: Cross multiply
    44,670.56x = 67,015.56 × 13,505
  4. Step 4: Simplify right side
    44,670.56x = 905,045,137.80
  5. Step 5: Solve for x
    x = 905,045,137.80/44,670.56
  6. Step 6: Final answer
    x = 20,260.44

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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.