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Finding the Fourth Proportional to 57,644.68, 85,893.99 and 51,356.38

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Solution

The fourth proportional to 57,644.68, 85,893.99 and 51,356.38 is: 76,524.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,644.68 : 85,893.99 = 51,356.38 : x
  2. Step 2: Convert to fraction form
    57,644.68/85,893.99 = 51,356.38/x
  3. Step 3: Cross multiply
    57,644.68x = 85,893.99 × 51,356.38
  4. Step 4: Simplify right side
    57,644.68x = 4,411,204,390.16
  5. Step 5: Solve for x
    x = 4,411,204,390.16/57,644.68
  6. Step 6: Final answer
    x = 76,524.05

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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.