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Finding the Fourth Proportional to 41,607.82, 62,411.76 and 13,905.82

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Solution

The fourth proportional to 41,607.82, 62,411.76 and 13,905.82 is: 20,858.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,607.82 : 62,411.76 = 13,905.82 : x
  2. Step 2: Convert to fraction form
    41,607.82/62,411.76 = 13,905.82/x
  3. Step 3: Cross multiply
    41,607.82x = 62,411.76 × 13,905.82
  4. Step 4: Simplify right side
    41,607.82x = 867,886,700.44
  5. Step 5: Solve for x
    x = 867,886,700.44/41,607.82
  6. Step 6: Final answer
    x = 20,858.74

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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.