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Finding the Fourth Proportional to 41,687.86, 62,541.73 and 13,607.95

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Solution

The fourth proportional to 41,687.86, 62,541.73 and 13,607.95 is: 20,415.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,687.86 : 62,541.73 = 13,607.95 : x
  2. Step 2: Convert to fraction form
    41,687.86/62,541.73 = 13,607.95/x
  3. Step 3: Cross multiply
    41,687.86x = 62,541.73 × 13,607.95
  4. Step 4: Simplify right side
    41,687.86x = 851,064,422.04
  5. Step 5: Solve for x
    x = 851,064,422.04/41,687.86
  6. Step 6: Final answer
    x = 20,415.16

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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.