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Finding the Fourth Proportional to 56,893.70, 78,494.57 and 36,762.44

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Solution

The fourth proportional to 56,893.70, 78,494.57 and 36,762.44 is: 50,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,893.70 : 78,494.57 = 36,762.44 : x
  2. Step 2: Convert to fraction form
    56,893.70/78,494.57 = 36,762.44/x
  3. Step 3: Cross multiply
    56,893.70x = 78,494.57 × 36,762.44
  4. Step 4: Simplify right side
    56,893.70x = 2,885,651,919.95
  5. Step 5: Solve for x
    x = 2,885,651,919.95/56,893.70
  6. Step 6: Final answer
    x = 50,720.06

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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.