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Finding the Fourth Proportional to 49,238.96, 73,857.96 and 12,302.96

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Solution

The fourth proportional to 49,238.96, 73,857.96 and 12,302.96 is: 18,454.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,238.96 : 73,857.96 = 12,302.96 : x
  2. Step 2: Convert to fraction form
    49,238.96/73,857.96 = 12,302.96/x
  3. Step 3: Cross multiply
    49,238.96x = 73,857.96 × 12,302.96
  4. Step 4: Simplify right side
    49,238.96x = 908,671,527.56
  5. Step 5: Solve for x
    x = 908,671,527.56/49,238.96
  6. Step 6: Final answer
    x = 18,454.32

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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.