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Finding the Fourth Proportional to 60,409.70, 90,614.55 and 44,857.70

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Solution

The fourth proportional to 60,409.70, 90,614.55 and 44,857.70 is: 67,286.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,409.70 : 90,614.55 = 44,857.70 : x
  2. Step 2: Convert to fraction form
    60,409.70/90,614.55 = 44,857.70/x
  3. Step 3: Cross multiply
    60,409.70x = 90,614.55 × 44,857.70
  4. Step 4: Simplify right side
    60,409.70x = 4,064,760,299.54
  5. Step 5: Solve for x
    x = 4,064,760,299.54/60,409.70
  6. Step 6: Final answer
    x = 67,286.55

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Similar ratio
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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.