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Finding the Fourth Proportional to 71,793.87, 107,690.84 and 32,304.86

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Solution

The fourth proportional to 71,793.87, 107,690.84 and 32,304.86 is: 48,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,793.87 : 107,690.84 = 32,304.86 : x
  2. Step 2: Convert to fraction form
    71,793.87/107,690.84 = 32,304.86/x
  3. Step 3: Cross multiply
    71,793.87x = 107,690.84 × 32,304.86
  4. Step 4: Simplify right side
    71,793.87x = 3,478,936,809.50
  5. Step 5: Solve for x
    x = 3,478,936,809.50/71,793.87
  6. Step 6: Final answer
    x = 48,457.30

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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.