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Finding the Fourth Proportional to 62,672.86, 86,492.37 and 41,415.22

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Solution

The fourth proportional to 62,672.86, 86,492.37 and 41,415.22 is: 57,155.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,672.86 : 86,492.37 = 41,415.22 : x
  2. Step 2: Convert to fraction form
    62,672.86/86,492.37 = 41,415.22/x
  3. Step 3: Cross multiply
    62,672.86x = 86,492.37 × 41,415.22
  4. Step 4: Simplify right side
    62,672.86x = 3,582,100,531.87
  5. Step 5: Solve for x
    x = 3,582,100,531.87/62,672.86
  6. Step 6: Final answer
    x = 57,155.53

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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.