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Finding the Fourth Proportional to 14,673.24, 20,245.20 and 8,706.24

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Solution

The fourth proportional to 14,673.24, 20,245.20 and 8,706.24 is: 12,012.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,673.24 : 20,245.20 = 8,706.24 : x
  2. Step 2: Convert to fraction form
    14,673.24/20,245.20 = 8,706.24/x
  3. Step 3: Cross multiply
    14,673.24x = 20,245.20 × 8,706.24
  4. Step 4: Simplify right side
    14,673.24x = 176,259,570.05
  5. Step 5: Solve for x
    x = 176,259,570.05/14,673.24
  6. Step 6: Final answer
    x = 12,012.31

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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.