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Finding the Fourth Proportional to 56,229.92, 77,566.57 and 36,064.36

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Solution

The fourth proportional to 56,229.92, 77,566.57 and 36,064.36 is: 49,749.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,229.92 : 77,566.57 = 36,064.36 : x
  2. Step 2: Convert to fraction form
    56,229.92/77,566.57 = 36,064.36/x
  3. Step 3: Cross multiply
    56,229.92x = 77,566.57 × 36,064.36
  4. Step 4: Simplify right side
    56,229.92x = 2,797,388,704.45
  5. Step 5: Solve for x
    x = 2,797,388,704.45/56,229.92
  6. Step 6: Final answer
    x = 49,749.11

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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.