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Finding the Fourth Proportional to 60,391.80, 90,414.90 and 37,063.80

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Solution

The fourth proportional to 60,391.80, 90,414.90 and 37,063.80 is: 55,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,391.80 : 90,414.90 = 37,063.80 : x
  2. Step 2: Convert to fraction form
    60,391.80/90,414.90 = 37,063.80/x
  3. Step 3: Cross multiply
    60,391.80x = 90,414.90 × 37,063.80
  4. Step 4: Simplify right side
    60,391.80x = 3,351,119,770.62
  5. Step 5: Solve for x
    x = 3,351,119,770.62/60,391.80
  6. Step 6: Final answer
    x = 55,489.65

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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.