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Finding the Fourth Proportional to 36,487.20, 54,795.60 and 26,637.60

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Solution

The fourth proportional to 36,487.20, 54,795.60 and 26,637.60 is: 40,003.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,487.20 : 54,795.60 = 26,637.60 : x
  2. Step 2: Convert to fraction form
    36,487.20/54,795.60 = 26,637.60/x
  3. Step 3: Cross multiply
    36,487.20x = 54,795.60 × 26,637.60
  4. Step 4: Simplify right side
    36,487.20x = 1,459,623,274.56
  5. Step 5: Solve for x
    x = 1,459,623,274.56/36,487.20
  6. Step 6: Final answer
    x = 40,003.71

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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.