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Finding the Fourth Proportional to 55,676.79, 83,427.59 and 43,057.44

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Solution

The fourth proportional to 55,676.79, 83,427.59 and 43,057.44 is: 64,518.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,676.79 : 83,427.59 = 43,057.44 : x
  2. Step 2: Convert to fraction form
    55,676.79/83,427.59 = 43,057.44/x
  3. Step 3: Cross multiply
    55,676.79x = 83,427.59 × 43,057.44
  4. Step 4: Simplify right side
    55,676.79x = 3,592,178,558.41
  5. Step 5: Solve for x
    x = 3,592,178,558.41/55,676.79
  6. Step 6: Final answer
    x = 64,518.42

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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.