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Finding the Fourth Proportional to 48,939.40, 73,409.10 and 32,026.60

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Solution

The fourth proportional to 48,939.40, 73,409.10 and 32,026.60 is: 48,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,939.40 : 73,409.10 = 32,026.60 : x
  2. Step 2: Convert to fraction form
    48,939.40/73,409.10 = 32,026.60/x
  3. Step 3: Cross multiply
    48,939.40x = 73,409.10 × 32,026.60
  4. Step 4: Simplify right side
    48,939.40x = 2,351,043,882.06
  5. Step 5: Solve for x
    x = 2,351,043,882.06/48,939.40
  6. Step 6: Final answer
    x = 48,039.90

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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.