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Finding the Fourth Proportional to 55,363.20, 82,826.10 and 48,048.90

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Solution

The fourth proportional to 55,363.20, 82,826.10 and 48,048.90 is: 71,883.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,363.20 : 82,826.10 = 48,048.90 : x
  2. Step 2: Convert to fraction form
    55,363.20/82,826.10 = 48,048.90/x
  3. Step 3: Cross multiply
    55,363.20x = 82,826.10 × 48,048.90
  4. Step 4: Simplify right side
    55,363.20x = 3,979,702,996.29
  5. Step 5: Solve for x
    x = 3,979,702,996.29/55,363.20
  6. Step 6: Final answer
    x = 71,883.54

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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.