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Finding the Fourth Proportional to 72,835.29, 100,512.49 and 41,004.25

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Solution

The fourth proportional to 72,835.29, 100,512.49 and 41,004.25 is: 56,585.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,835.29 : 100,512.49 = 41,004.25 : x
  2. Step 2: Convert to fraction form
    72,835.29/100,512.49 = 41,004.25/x
  3. Step 3: Cross multiply
    72,835.29x = 100,512.49 × 41,004.25
  4. Step 4: Simplify right side
    72,835.29x = 4,121,439,268.08
  5. Step 5: Solve for x
    x = 4,121,439,268.08/72,835.29
  6. Step 6: Final answer
    x = 56,585.75

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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.