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Finding the Fourth Proportional to 16,964.50, 25,447.48 and 4,652.50

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Solution

The fourth proportional to 16,964.50, 25,447.48 and 4,652.50 is: 6,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,964.50 : 25,447.48 = 4,652.50 : x
  2. Step 2: Convert to fraction form
    16,964.50/25,447.48 = 4,652.50/x
  3. Step 3: Cross multiply
    16,964.50x = 25,447.48 × 4,652.50
  4. Step 4: Simplify right side
    16,964.50x = 118,394,400.70
  5. Step 5: Solve for x
    x = 118,394,400.70/16,964.50
  6. Step 6: Final answer
    x = 6,978.95

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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.