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Finding the Fourth Proportional to 56,245.89, 84,410.55 and 26,663.79

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Solution

The fourth proportional to 56,245.89, 84,410.55 and 26,663.79 is: 40,015.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,245.89 : 84,410.55 = 26,663.79 : x
  2. Step 2: Convert to fraction form
    56,245.89/84,410.55 = 26,663.79/x
  3. Step 3: Cross multiply
    56,245.89x = 84,410.55 × 26,663.79
  4. Step 4: Simplify right side
    56,245.89x = 2,250,705,178.98
  5. Step 5: Solve for x
    x = 2,250,705,178.98/56,245.89
  6. Step 6: Final answer
    x = 40,015.46

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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.