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Finding the Fourth Proportional to 16,499.37, 24,750.06 and 6,638.64

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Solution

The fourth proportional to 16,499.37, 24,750.06 and 6,638.64 is: 9,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,499.37 : 24,750.06 = 6,638.64 : x
  2. Step 2: Convert to fraction form
    16,499.37/24,750.06 = 6,638.64/x
  3. Step 3: Cross multiply
    16,499.37x = 24,750.06 × 6,638.64
  4. Step 4: Simplify right side
    16,499.37x = 164,306,738.32
  5. Step 5: Solve for x
    x = 164,306,738.32/16,499.37
  6. Step 6: Final answer
    x = 9,958.36

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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.