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Finding the Fourth Proportional to 65,039.52, 89,736.48 and 41,176.38

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Solution

The fourth proportional to 65,039.52, 89,736.48 and 41,176.38 is: 56,811.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,039.52 : 89,736.48 = 41,176.38 : x
  2. Step 2: Convert to fraction form
    65,039.52/89,736.48 = 41,176.38/x
  3. Step 3: Cross multiply
    65,039.52x = 89,736.48 × 41,176.38
  4. Step 4: Simplify right side
    65,039.52x = 3,695,023,400.34
  5. Step 5: Solve for x
    x = 3,695,023,400.34/65,039.52
  6. Step 6: Final answer
    x = 56,811.97

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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.