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Finding the Fourth Proportional to 37,253.72, 55,879.14 and 12,629.72

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Solution

The fourth proportional to 37,253.72, 55,879.14 and 12,629.72 is: 18,944.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,253.72 : 55,879.14 = 12,629.72 : x
  2. Step 2: Convert to fraction form
    37,253.72/55,879.14 = 12,629.72/x
  3. Step 3: Cross multiply
    37,253.72x = 55,879.14 × 12,629.72
  4. Step 4: Simplify right side
    37,253.72x = 705,737,892.04
  5. Step 5: Solve for x
    x = 705,737,892.04/37,253.72
  6. Step 6: Final answer
    x = 18,944.09

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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.