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Finding the Fourth Proportional to 48,755.50, 73,133.25 and 11,819.50

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Solution

The fourth proportional to 48,755.50, 73,133.25 and 11,819.50 is: 17,729.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,755.50 : 73,133.25 = 11,819.50 : x
  2. Step 2: Convert to fraction form
    48,755.50/73,133.25 = 11,819.50/x
  3. Step 3: Cross multiply
    48,755.50x = 73,133.25 × 11,819.50
  4. Step 4: Simplify right side
    48,755.50x = 864,398,448.38
  5. Step 5: Solve for x
    x = 864,398,448.38/48,755.50
  6. Step 6: Final answer
    x = 17,729.25

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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.