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Finding the Fourth Proportional to 41,474.70, 62,212.05 and 28,352.70

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Solution

The fourth proportional to 41,474.70, 62,212.05 and 28,352.70 is: 42,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,474.70 : 62,212.05 = 28,352.70 : x
  2. Step 2: Convert to fraction form
    41,474.70/62,212.05 = 28,352.70/x
  3. Step 3: Cross multiply
    41,474.70x = 62,212.05 × 28,352.70
  4. Step 4: Simplify right side
    41,474.70x = 1,763,879,590.04
  5. Step 5: Solve for x
    x = 1,763,879,590.04/41,474.70
  6. Step 6: Final answer
    x = 42,529.05

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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.