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Finding the Fourth Proportional to 48,879.70, 73,465.35 and 48,004.90

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Solution

The fourth proportional to 48,879.70, 73,465.35 and 48,004.90 is: 72,150.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,879.70 : 73,465.35 = 48,004.90 : x
  2. Step 2: Convert to fraction form
    48,879.70/73,465.35 = 48,004.90/x
  3. Step 3: Cross multiply
    48,879.70x = 73,465.35 × 48,004.90
  4. Step 4: Simplify right side
    48,879.70x = 3,526,696,780.22
  5. Step 5: Solve for x
    x = 3,526,696,780.22/48,879.70
  6. Step 6: Final answer
    x = 72,150.54

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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.