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Finding the Fourth Proportional to 58,611.76, 80,884.11 and 31,754.94

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Solution

The fourth proportional to 58,611.76, 80,884.11 and 31,754.94 is: 43,821.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,611.76 : 80,884.11 = 31,754.94 : x
  2. Step 2: Convert to fraction form
    58,611.76/80,884.11 = 31,754.94/x
  3. Step 3: Cross multiply
    58,611.76x = 80,884.11 × 31,754.94
  4. Step 4: Simplify right side
    58,611.76x = 2,568,470,060.00
  5. Step 5: Solve for x
    x = 2,568,470,060.00/58,611.76
  6. Step 6: Final answer
    x = 43,821.75

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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.