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Finding the Fourth Proportional to 36,407.60, 54,611.40 and 27,076.40

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Solution

The fourth proportional to 36,407.60, 54,611.40 and 27,076.40 is: 40,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,407.60 : 54,611.40 = 27,076.40 : x
  2. Step 2: Convert to fraction form
    36,407.60/54,611.40 = 27,076.40/x
  3. Step 3: Cross multiply
    36,407.60x = 54,611.40 × 27,076.40
  4. Step 4: Simplify right side
    36,407.60x = 1,478,680,110.96
  5. Step 5: Solve for x
    x = 1,478,680,110.96/36,407.60
  6. Step 6: Final answer
    x = 40,614.60

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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.