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Finding the Fourth Proportional to 57,644.58, 85,893.83 and 51,356.27

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Solution

The fourth proportional to 57,644.58, 85,893.83 and 51,356.27 is: 76,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,644.58 : 85,893.83 = 51,356.27 : x
  2. Step 2: Convert to fraction form
    57,644.58/85,893.83 = 51,356.27/x
  3. Step 3: Cross multiply
    57,644.58x = 85,893.83 × 51,356.27
  4. Step 4: Simplify right side
    57,644.58x = 4,411,186,682.77
  5. Step 5: Solve for x
    x = 4,411,186,682.77/57,644.58
  6. Step 6: Final answer
    x = 76,523.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.