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Finding the Fourth Proportional to 36,295.43, 54,450.02 and 12,602.05

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Solution

The fourth proportional to 36,295.43, 54,450.02 and 12,602.05 is: 18,905.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,295.43 : 54,450.02 = 12,602.05 : x
  2. Step 2: Convert to fraction form
    36,295.43/54,450.02 = 12,602.05/x
  3. Step 3: Cross multiply
    36,295.43x = 54,450.02 × 12,602.05
  4. Step 4: Simplify right side
    36,295.43x = 686,181,769.92
  5. Step 5: Solve for x
    x = 686,181,769.92/36,295.43
  6. Step 6: Final answer
    x = 18,905.46

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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.