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Finding the Fourth Proportional to 22,708.80, 34,014.60 and 20,246.40

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Solution

The fourth proportional to 22,708.80, 34,014.60 and 20,246.40 is: 30,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,708.80 : 34,014.60 = 20,246.40 : x
  2. Step 2: Convert to fraction form
    22,708.80/34,014.60 = 20,246.40/x
  3. Step 3: Cross multiply
    22,708.80x = 34,014.60 × 20,246.40
  4. Step 4: Simplify right side
    22,708.80x = 688,673,197.44
  5. Step 5: Solve for x
    x = 688,673,197.44/22,708.80
  6. Step 6: Final answer
    x = 30,326.27

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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.