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Finding the Fourth Proportional to 23,471.60, 35,221.08 and 8,690.96

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Solution

The fourth proportional to 23,471.60, 35,221.08 and 8,690.96 is: 13,041.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,471.60 : 35,221.08 = 8,690.96 : x
  2. Step 2: Convert to fraction form
    23,471.60/35,221.08 = 8,690.96/x
  3. Step 3: Cross multiply
    23,471.60x = 35,221.08 × 8,690.96
  4. Step 4: Simplify right side
    23,471.60x = 306,104,997.44
  5. Step 5: Solve for x
    x = 306,104,997.44/23,471.60
  6. Step 6: Final answer
    x = 13,041.51

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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.