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Finding the Fourth Proportional to 14,609.98, 20,162.13 and 8,867.50

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Solution

The fourth proportional to 14,609.98, 20,162.13 and 8,867.50 is: 12,237.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.98 : 20,162.13 = 8,867.50 : x
  2. Step 2: Convert to fraction form
    14,609.98/20,162.13 = 8,867.50/x
  3. Step 3: Cross multiply
    14,609.98x = 20,162.13 × 8,867.50
  4. Step 4: Simplify right side
    14,609.98x = 178,787,687.78
  5. Step 5: Solve for x
    x = 178,787,687.78/14,609.98
  6. Step 6: Final answer
    x = 12,237.37

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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.