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Finding the Fourth Proportional to 18,793.68, 25,935.21 and 10,410.18

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Solution

The fourth proportional to 18,793.68, 25,935.21 and 10,410.18 is: 14,366.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,793.68 : 25,935.21 = 10,410.18 : x
  2. Step 2: Convert to fraction form
    18,793.68/25,935.21 = 10,410.18/x
  3. Step 3: Cross multiply
    18,793.68x = 25,935.21 × 10,410.18
  4. Step 4: Simplify right side
    18,793.68x = 269,990,204.44
  5. Step 5: Solve for x
    x = 269,990,204.44/18,793.68
  6. Step 6: Final answer
    x = 14,366.01

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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.