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Finding the Fourth Proportional to 49,675.56, 74,513.49 and 12,236.49

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Solution

The fourth proportional to 49,675.56, 74,513.49 and 12,236.49 is: 18,354.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,675.56 : 74,513.49 = 12,236.49 : x
  2. Step 2: Convert to fraction form
    49,675.56/74,513.49 = 12,236.49/x
  3. Step 3: Cross multiply
    49,675.56x = 74,513.49 × 12,236.49
  4. Step 4: Simplify right side
    49,675.56x = 911,783,575.25
  5. Step 5: Solve for x
    x = 911,783,575.25/49,675.56
  6. Step 6: Final answer
    x = 18,354.77

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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.