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Finding the Fourth Proportional to 43,990.92, 65,901.30 and 27,357.60

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Solution

The fourth proportional to 43,990.92, 65,901.30 and 27,357.60 is: 40,983.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,990.92 : 65,901.30 = 27,357.60 : x
  2. Step 2: Convert to fraction form
    43,990.92/65,901.30 = 27,357.60/x
  3. Step 3: Cross multiply
    43,990.92x = 65,901.30 × 27,357.60
  4. Step 4: Simplify right side
    43,990.92x = 1,802,901,404.88
  5. Step 5: Solve for x
    x = 1,802,901,404.88/43,990.92
  6. Step 6: Final answer
    x = 40,983.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.