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Finding the Fourth Proportional to 36,602.21, 54,845.89 and 21,803.04

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Solution

The fourth proportional to 36,602.21, 54,845.89 and 21,803.04 is: 32,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,602.21 : 54,845.89 = 21,803.04 : x
  2. Step 2: Convert to fraction form
    36,602.21/54,845.89 = 21,803.04/x
  3. Step 3: Cross multiply
    36,602.21x = 54,845.89 × 21,803.04
  4. Step 4: Simplify right side
    36,602.21x = 1,195,807,079.00
  5. Step 5: Solve for x
    x = 1,195,807,079.00/36,602.21
  6. Step 6: Final answer
    x = 32,670.35

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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.