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Finding the Fourth Proportional to 64,403.91, 88,859.19 and 41,743.86

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Solution

The fourth proportional to 64,403.91, 88,859.19 and 41,743.86 is: 57,594.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,403.91 : 88,859.19 = 41,743.86 : x
  2. Step 2: Convert to fraction form
    64,403.91/88,859.19 = 41,743.86/x
  3. Step 3: Cross multiply
    64,403.91x = 88,859.19 × 41,743.86
  4. Step 4: Simplify right side
    64,403.91x = 3,709,325,410.39
  5. Step 5: Solve for x
    x = 3,709,325,410.39/64,403.91
  6. Step 6: Final answer
    x = 57,594.72

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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.