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Finding the Fourth Proportional to 73,951.10, 110,999.55 and 36,553.40

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Solution

The fourth proportional to 73,951.10, 110,999.55 and 36,553.40 is: 54,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,951.10 : 110,999.55 = 36,553.40 : x
  2. Step 2: Convert to fraction form
    73,951.10/110,999.55 = 36,553.40/x
  3. Step 3: Cross multiply
    73,951.10x = 110,999.55 × 36,553.40
  4. Step 4: Simplify right side
    73,951.10x = 4,057,410,950.97
  5. Step 5: Solve for x
    x = 4,057,410,950.97/73,951.10
  6. Step 6: Final answer
    x = 54,866.13

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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.