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Finding the Fourth Proportional to 41,863.04, 62,787.66 and 13,783.46

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Solution

The fourth proportional to 41,863.04, 62,787.66 and 13,783.46 is: 20,672.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,863.04 : 62,787.66 = 13,783.46 : x
  2. Step 2: Convert to fraction form
    41,863.04/62,787.66 = 13,783.46/x
  3. Step 3: Cross multiply
    41,863.04x = 62,787.66 × 13,783.46
  4. Step 4: Simplify right side
    41,863.04x = 865,431,200.10
  5. Step 5: Solve for x
    x = 865,431,200.10/41,863.04
  6. Step 6: Final answer
    x = 20,672.92

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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.