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Finding the Fourth Proportional to 56,593, 78,102.98 and 36,491.72

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Solution

The fourth proportional to 56,593, 78,102.98 and 36,491.72 is: 50,361.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,593 : 78,102.98 = 36,491.72 : x
  2. Step 2: Convert to fraction form
    56,593/78,102.98 = 36,491.72/x
  3. Step 3: Cross multiply
    56,593x = 78,102.98 × 36,491.72
  4. Step 4: Simplify right side
    56,593x = 2,850,112,077.33
  5. Step 5: Solve for x
    x = 2,850,112,077.33/56,593
  6. Step 6: Final answer
    x = 50,361.57

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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.