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Finding the Fourth Proportional to 56,367.64, 77,749.88 and 36,249.97

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Solution

The fourth proportional to 56,367.64, 77,749.88 and 36,249.97 is: 50,000.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,367.64 : 77,749.88 = 36,249.97 : x
  2. Step 2: Convert to fraction form
    56,367.64/77,749.88 = 36,249.97/x
  3. Step 3: Cross multiply
    56,367.64x = 77,749.88 × 36,249.97
  4. Step 4: Simplify right side
    56,367.64x = 2,818,430,247.50
  5. Step 5: Solve for x
    x = 2,818,430,247.50/56,367.64
  6. Step 6: Final answer
    x = 50,000.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.