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Finding the Fourth Proportional to 50,085.44, 69,118.64 and 27,729.44

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Solution

The fourth proportional to 50,085.44, 69,118.64 and 27,729.44 is: 38,267.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,085.44 : 69,118.64 = 27,729.44 : x
  2. Step 2: Convert to fraction form
    50,085.44/69,118.64 = 27,729.44/x
  3. Step 3: Cross multiply
    50,085.44x = 69,118.64 × 27,729.44
  4. Step 4: Simplify right side
    50,085.44x = 1,916,621,180.76
  5. Step 5: Solve for x
    x = 1,916,621,180.76/50,085.44
  6. Step 6: Final answer
    x = 38,267.03

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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.