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Finding the Fourth Proportional to 36,393.60, 54,591.84 and 35,878.08

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Solution

The fourth proportional to 36,393.60, 54,591.84 and 35,878.08 is: 53,818.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,393.60 : 54,591.84 = 35,878.08 : x
  2. Step 2: Convert to fraction form
    36,393.60/54,591.84 = 35,878.08/x
  3. Step 3: Cross multiply
    36,393.60x = 54,591.84 × 35,878.08
  4. Step 4: Simplify right side
    36,393.60x = 1,958,650,402.87
  5. Step 5: Solve for x
    x = 1,958,650,402.87/36,393.60
  6. Step 6: Final answer
    x = 53,818.54

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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.