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Finding the Fourth Proportional to 60,367.75, 90,556.62 and 18,814.75

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Solution

The fourth proportional to 60,367.75, 90,556.62 and 18,814.75 is: 28,223.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,367.75 : 90,556.62 = 18,814.75 : x
  2. Step 2: Convert to fraction form
    60,367.75/90,556.62 = 18,814.75/x
  3. Step 3: Cross multiply
    60,367.75x = 90,556.62 × 18,814.75
  4. Step 4: Simplify right side
    60,367.75x = 1,703,800,166.15
  5. Step 5: Solve for x
    x = 1,703,800,166.15/60,367.75
  6. Step 6: Final answer
    x = 28,223.68

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1.5x scale

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.