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Finding the Fourth Proportional to 48,846.60, 73,172.70 and 26,620.20

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Solution

The fourth proportional to 48,846.60, 73,172.70 and 26,620.20 is: 39,877.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,846.60 : 73,172.70 = 26,620.20 : x
  2. Step 2: Convert to fraction form
    48,846.60/73,172.70 = 26,620.20/x
  3. Step 3: Cross multiply
    48,846.60x = 73,172.70 × 26,620.20
  4. Step 4: Simplify right side
    48,846.60x = 1,947,871,908.54
  5. Step 5: Solve for x
    x = 1,947,871,908.54/48,846.60
  6. Step 6: Final answer
    x = 39,877.33

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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.