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Finding the Fourth Proportional to 14,022.46, 21,049.08 and 7,000.50

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Solution

The fourth proportional to 14,022.46, 21,049.08 and 7,000.50 is: 10,508.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.46 : 21,049.08 = 7,000.50 : x
  2. Step 2: Convert to fraction form
    14,022.46/21,049.08 = 7,000.50/x
  3. Step 3: Cross multiply
    14,022.46x = 21,049.08 × 7,000.50
  4. Step 4: Simplify right side
    14,022.46x = 147,354,049.54
  5. Step 5: Solve for x
    x = 147,354,049.54/14,022.46
  6. Step 6: Final answer
    x = 10,508.43

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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.