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Finding the Fourth Proportional to 6,685.12, 10,028 and 2,524.80

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Solution

The fourth proportional to 6,685.12, 10,028 and 2,524.80 is: 3,787.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,685.12 : 10,028 = 2,524.80 : x
  2. Step 2: Convert to fraction form
    6,685.12/10,028 = 2,524.80/x
  3. Step 3: Cross multiply
    6,685.12x = 10,028 × 2,524.80
  4. Step 4: Simplify right side
    6,685.12x = 25,318,694.40
  5. Step 5: Solve for x
    x = 25,318,694.40/6,685.12
  6. Step 6: Final answer
    x = 3,787.32

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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.