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Finding the Fourth Proportional to 58,447.58, 80,709.41 and 36,976.70

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Solution

The fourth proportional to 58,447.58, 80,709.41 and 36,976.70 is: 51,060.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,447.58 : 80,709.41 = 36,976.70 : x
  2. Step 2: Convert to fraction form
    58,447.58/80,709.41 = 36,976.70/x
  3. Step 3: Cross multiply
    58,447.58x = 80,709.41 × 36,976.70
  4. Step 4: Simplify right side
    58,447.58x = 2,984,367,934.96
  5. Step 5: Solve for x
    x = 2,984,367,934.96/58,447.58
  6. Step 6: Final answer
    x = 51,060.59

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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.