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Finding the Fourth Proportional to 23,612.60, 35,471.70 and 19,724.60

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Solution

The fourth proportional to 23,612.60, 35,471.70 and 19,724.60 is: 29,631.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,612.60 : 35,471.70 = 19,724.60 : x
  2. Step 2: Convert to fraction form
    23,612.60/35,471.70 = 19,724.60/x
  3. Step 3: Cross multiply
    23,612.60x = 35,471.70 × 19,724.60
  4. Step 4: Simplify right side
    23,612.60x = 699,665,093.82
  5. Step 5: Solve for x
    x = 699,665,093.82/23,612.60
  6. Step 6: Final answer
    x = 29,631.01

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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.