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Finding the Fourth Proportional to 51,787.60, 77,683.02 and 16,727.56

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Solution

The fourth proportional to 51,787.60, 77,683.02 and 16,727.56 is: 25,091.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,787.60 : 77,683.02 = 16,727.56 : x
  2. Step 2: Convert to fraction form
    51,787.60/77,683.02 = 16,727.56/x
  3. Step 3: Cross multiply
    51,787.60x = 77,683.02 × 16,727.56
  4. Step 4: Simplify right side
    51,787.60x = 1,299,447,378.03
  5. Step 5: Solve for x
    x = 1,299,447,378.03/51,787.60
  6. Step 6: Final answer
    x = 25,091.86

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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.