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Finding the Fourth Proportional to 41,935.31, 62,900.92 and 15,638.01

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Solution

The fourth proportional to 41,935.31, 62,900.92 and 15,638.01 is: 23,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,935.31 : 62,900.92 = 15,638.01 : x
  2. Step 2: Convert to fraction form
    41,935.31/62,900.92 = 15,638.01/x
  3. Step 3: Cross multiply
    41,935.31x = 62,900.92 × 15,638.01
  4. Step 4: Simplify right side
    41,935.31x = 983,645,215.97
  5. Step 5: Solve for x
    x = 983,645,215.97/41,935.31
  6. Step 6: Final answer
    x = 23,456.25

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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.