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Finding the Fourth Proportional to 58,629.44, 80,910.12 and 35,980.94

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Solution

The fourth proportional to 58,629.44, 80,910.12 and 35,980.94 is: 49,654.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,629.44 : 80,910.12 = 35,980.94 : x
  2. Step 2: Convert to fraction form
    58,629.44/80,910.12 = 35,980.94/x
  3. Step 3: Cross multiply
    58,629.44x = 80,910.12 × 35,980.94
  4. Step 4: Simplify right side
    58,629.44x = 2,911,222,173.11
  5. Step 5: Solve for x
    x = 2,911,222,173.11/58,629.44
  6. Step 6: Final answer
    x = 49,654.61

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1.5x scale

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.