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Finding the Fourth Proportional to 14,632.56, 21,949.56 and 4,245.12

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Solution

The fourth proportional to 14,632.56, 21,949.56 and 4,245.12 is: 6,367.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,632.56 : 21,949.56 = 4,245.12 : x
  2. Step 2: Convert to fraction form
    14,632.56/21,949.56 = 4,245.12/x
  3. Step 3: Cross multiply
    14,632.56x = 21,949.56 × 4,245.12
  4. Step 4: Simplify right side
    14,632.56x = 93,178,516.15
  5. Step 5: Solve for x
    x = 93,178,516.15/14,632.56
  6. Step 6: Final answer
    x = 6,367.89

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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.