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Finding the Fourth Proportional to 68,337.20, 102,520.20 and 21,594.80

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Solution

The fourth proportional to 68,337.20, 102,520.20 and 21,594.80 is: 32,396.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,337.20 : 102,520.20 = 21,594.80 : x
  2. Step 2: Convert to fraction form
    68,337.20/102,520.20 = 21,594.80/x
  3. Step 3: Cross multiply
    68,337.20x = 102,520.20 × 21,594.80
  4. Step 4: Simplify right side
    68,337.20x = 2,213,903,214.96
  5. Step 5: Solve for x
    x = 2,213,903,214.96/68,337.20
  6. Step 6: Final answer
    x = 32,396.75

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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.