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Finding the Fourth Proportional to 47,766.51, 65,910.51 and 28,645.92

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Solution

The fourth proportional to 47,766.51, 65,910.51 and 28,645.92 is: 39,527.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,766.51 : 65,910.51 = 28,645.92 : x
  2. Step 2: Convert to fraction form
    47,766.51/65,910.51 = 28,645.92/x
  3. Step 3: Cross multiply
    47,766.51x = 65,910.51 × 28,645.92
  4. Step 4: Simplify right side
    47,766.51x = 1,888,067,196.62
  5. Step 5: Solve for x
    x = 1,888,067,196.62/47,766.51
  6. Step 6: Final answer
    x = 39,527.01

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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.