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Finding the Fourth Proportional to 12,293.28, 16,964.82 and 6,704.28

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Solution

The fourth proportional to 12,293.28, 16,964.82 and 6,704.28 is: 9,251.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293.28 : 16,964.82 = 6,704.28 : x
  2. Step 2: Convert to fraction form
    12,293.28/16,964.82 = 6,704.28/x
  3. Step 3: Cross multiply
    12,293.28x = 16,964.82 × 6,704.28
  4. Step 4: Simplify right side
    12,293.28x = 113,736,903.43
  5. Step 5: Solve for x
    x = 113,736,903.43/12,293.28
  6. Step 6: Final answer
    x = 9,251.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.