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Finding the Fourth Proportional to 60,245.46, 90,378.54 and 20,793.24

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Solution

The fourth proportional to 60,245.46, 90,378.54 and 20,793.24 is: 31,193.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,245.46 : 90,378.54 = 20,793.24 : x
  2. Step 2: Convert to fraction form
    60,245.46/90,378.54 = 20,793.24/x
  3. Step 3: Cross multiply
    60,245.46x = 90,378.54 × 20,793.24
  4. Step 4: Simplify right side
    60,245.46x = 1,879,262,673.07
  5. Step 5: Solve for x
    x = 1,879,262,673.07/60,245.46
  6. Step 6: Final answer
    x = 31,193.43

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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.