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Finding the Fourth Proportional to 57,673.01, 86,353.19 and 29,912.69

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Solution

The fourth proportional to 57,673.01, 86,353.19 and 29,912.69 is: 44,787.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,673.01 : 86,353.19 = 29,912.69 : x
  2. Step 2: Convert to fraction form
    57,673.01/86,353.19 = 29,912.69/x
  3. Step 3: Cross multiply
    57,673.01x = 86,353.19 × 29,912.69
  4. Step 4: Simplify right side
    57,673.01x = 2,583,056,381.47
  5. Step 5: Solve for x
    x = 2,583,056,381.47/57,673.01
  6. Step 6: Final answer
    x = 44,787.96

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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.