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Finding the Fourth Proportional to 36,466.80, 54,743.40 and 36,207.60

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Solution

The fourth proportional to 36,466.80, 54,743.40 and 36,207.60 is: 54,354.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,466.80 : 54,743.40 = 36,207.60 : x
  2. Step 2: Convert to fraction form
    36,466.80/54,743.40 = 36,207.60/x
  3. Step 3: Cross multiply
    36,466.80x = 54,743.40 × 36,207.60
  4. Step 4: Simplify right side
    36,466.80x = 1,982,127,129.84
  5. Step 5: Solve for x
    x = 1,982,127,129.84/36,466.80
  6. Step 6: Final answer
    x = 54,354.29

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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.