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Finding the Fourth Proportional to 56,676.40, 84,941.70 and 34,466.20

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Solution

The fourth proportional to 56,676.40, 84,941.70 and 34,466.20 is: 51,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,676.40 : 84,941.70 = 34,466.20 : x
  2. Step 2: Convert to fraction form
    56,676.40/84,941.70 = 34,466.20/x
  3. Step 3: Cross multiply
    56,676.40x = 84,941.70 × 34,466.20
  4. Step 4: Simplify right side
    56,676.40x = 2,927,617,620.54
  5. Step 5: Solve for x
    x = 2,927,617,620.54/56,676.40
  6. Step 6: Final answer
    x = 51,654.97

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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.