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Finding the Fourth Proportional to 6,652.10, 9,978.79 and 2,493.38

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Solution

The fourth proportional to 6,652.10, 9,978.79 and 2,493.38 is: 3,740.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652.10 : 9,978.79 = 2,493.38 : x
  2. Step 2: Convert to fraction form
    6,652.10/9,978.79 = 2,493.38/x
  3. Step 3: Cross multiply
    6,652.10x = 9,978.79 × 2,493.38
  4. Step 4: Simplify right side
    6,652.10x = 24,880,915.41
  5. Step 5: Solve for x
    x = 24,880,915.41/6,652.10
  6. Step 6: Final answer
    x = 3,740.31

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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.