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Finding the Fourth Proportional to 57,842.31, 86,606.93 and 37,801.87

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Solution

The fourth proportional to 57,842.31, 86,606.93 and 37,801.87 is: 56,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,842.31 : 86,606.93 = 37,801.87 : x
  2. Step 2: Convert to fraction form
    57,842.31/86,606.93 = 37,801.87/x
  3. Step 3: Cross multiply
    57,842.31x = 86,606.93 × 37,801.87
  4. Step 4: Simplify right side
    57,842.31x = 3,273,903,786.95
  5. Step 5: Solve for x
    x = 3,273,903,786.95/57,842.31
  6. Step 6: Final answer
    x = 56,600.50

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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.