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Finding the Fourth Proportional to 18,309.28, 27,412.02 and 12,050.46

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Solution

The fourth proportional to 18,309.28, 27,412.02 and 12,050.46 is: 18,041.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,309.28 : 27,412.02 = 12,050.46 : x
  2. Step 2: Convert to fraction form
    18,309.28/27,412.02 = 12,050.46/x
  3. Step 3: Cross multiply
    18,309.28x = 27,412.02 × 12,050.46
  4. Step 4: Simplify right side
    18,309.28x = 330,327,450.53
  5. Step 5: Solve for x
    x = 330,327,450.53/18,309.28
  6. Step 6: Final answer
    x = 18,041.53

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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.