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Finding the Fourth Proportional to 18,192.96, 27,282.96 and 12,354.48

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Solution

The fourth proportional to 18,192.96, 27,282.96 and 12,354.48 is: 18,527.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.96 : 27,282.96 = 12,354.48 : x
  2. Step 2: Convert to fraction form
    18,192.96/27,282.96 = 12,354.48/x
  3. Step 3: Cross multiply
    18,192.96x = 27,282.96 × 12,354.48
  4. Step 4: Simplify right side
    18,192.96x = 337,066,783.66
  5. Step 5: Solve for x
    x = 337,066,783.66/18,192.96
  6. Step 6: Final answer
    x = 18,527.32

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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.