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Finding the Fourth Proportional to 36,409.60, 54,611.70 and 15,344.20

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Solution

The fourth proportional to 36,409.60, 54,611.70 and 15,344.20 is: 23,015.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,409.60 : 54,611.70 = 15,344.20 : x
  2. Step 2: Convert to fraction form
    36,409.60/54,611.70 = 15,344.20/x
  3. Step 3: Cross multiply
    36,409.60x = 54,611.70 × 15,344.20
  4. Step 4: Simplify right side
    36,409.60x = 837,972,847.14
  5. Step 5: Solve for x
    x = 837,972,847.14/36,409.60
  6. Step 6: Final answer
    x = 23,015.16

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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.