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Finding the Fourth Proportional to 36,602.60, 54,794.55 and 21,803.90

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Solution

The fourth proportional to 36,602.60, 54,794.55 and 21,803.90 is: 32,640.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,602.60 : 54,794.55 = 21,803.90 : x
  2. Step 2: Convert to fraction form
    36,602.60/54,794.55 = 21,803.90/x
  3. Step 3: Cross multiply
    36,602.60x = 54,794.55 × 21,803.90
  4. Step 4: Simplify right side
    36,602.60x = 1,194,734,888.75
  5. Step 5: Solve for x
    x = 1,194,734,888.75/36,602.60
  6. Step 6: Final answer
    x = 32,640.71

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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.