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Finding the Fourth Proportional to 52,063.60, 71,847.80 and 28,190.29

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Solution

The fourth proportional to 52,063.60, 71,847.80 and 28,190.29 is: 38,902.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,063.60 : 71,847.80 = 28,190.29 : x
  2. Step 2: Convert to fraction form
    52,063.60/71,847.80 = 28,190.29/x
  3. Step 3: Cross multiply
    52,063.60x = 71,847.80 × 28,190.29
  4. Step 4: Simplify right side
    52,063.60x = 2,025,410,317.86
  5. Step 5: Solve for x
    x = 2,025,410,317.86/52,063.60
  6. Step 6: Final answer
    x = 38,902.62

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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.