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Finding the Fourth Proportional to 47,993.50, 66,231.03 and 26,772.77

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Solution

The fourth proportional to 47,993.50, 66,231.03 and 26,772.77 is: 36,946.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,993.50 : 66,231.03 = 26,772.77 : x
  2. Step 2: Convert to fraction form
    47,993.50/66,231.03 = 26,772.77/x
  3. Step 3: Cross multiply
    47,993.50x = 66,231.03 × 26,772.77
  4. Step 4: Simplify right side
    47,993.50x = 1,773,188,133.05
  5. Step 5: Solve for x
    x = 1,773,188,133.05/47,993.50
  6. Step 6: Final answer
    x = 36,946.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.