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Finding the Fourth Proportional to 47,800.80, 65,958.71 and 26,575.97

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Solution

The fourth proportional to 47,800.80, 65,958.71 and 26,575.97 is: 36,671.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,800.80 : 65,958.71 = 26,575.97 : x
  2. Step 2: Convert to fraction form
    47,800.80/65,958.71 = 26,575.97/x
  3. Step 3: Cross multiply
    47,800.80x = 65,958.71 × 26,575.97
  4. Step 4: Simplify right side
    47,800.80x = 1,752,916,235.53
  5. Step 5: Solve for x
    x = 1,752,916,235.53/47,800.80
  6. Step 6: Final answer
    x = 36,671.27

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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.