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Finding the Fourth Proportional to 16,964.64, 25,447.64 and 6,433.56

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Solution

The fourth proportional to 16,964.64, 25,447.64 and 6,433.56 is: 9,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,964.64 : 25,447.64 = 6,433.56 : x
  2. Step 2: Convert to fraction form
    16,964.64/25,447.64 = 6,433.56/x
  3. Step 3: Cross multiply
    16,964.64x = 25,447.64 × 6,433.56
  4. Step 4: Simplify right side
    16,964.64x = 163,718,918.80
  5. Step 5: Solve for x
    x = 163,718,918.80/16,964.64
  6. Step 6: Final answer
    x = 9,650.60

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1.5x scale

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.