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Finding the Fourth Proportional to 58,611.73, 80,884.07 and 31,754.90

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Solution

The fourth proportional to 58,611.73, 80,884.07 and 31,754.90 is: 43,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,611.73 : 80,884.07 = 31,754.90 : x
  2. Step 2: Convert to fraction form
    58,611.73/80,884.07 = 31,754.90/x
  3. Step 3: Cross multiply
    58,611.73x = 80,884.07 × 31,754.90
  4. Step 4: Simplify right side
    58,611.73x = 2,568,465,554.44
  5. Step 5: Solve for x
    x = 2,568,465,554.44/58,611.73
  6. Step 6: Final answer
    x = 43,821.70

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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.