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Finding the Fourth Proportional to 14,000.28, 20,972.25 and 6,958.98

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Solution

The fourth proportional to 14,000.28, 20,972.25 and 6,958.98 is: 10,424.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.28 : 20,972.25 = 6,958.98 : x
  2. Step 2: Convert to fraction form
    14,000.28/20,972.25 = 6,958.98/x
  3. Step 3: Cross multiply
    14,000.28x = 20,972.25 × 6,958.98
  4. Step 4: Simplify right side
    14,000.28x = 145,945,468.31
  5. Step 5: Solve for x
    x = 145,945,468.31/14,000.28
  6. Step 6: Final answer
    x = 10,424.47

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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.