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Finding the Fourth Proportional to 50,309.96, 69,429.08 and 27,649.60

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Solution

The fourth proportional to 50,309.96, 69,429.08 and 27,649.60 is: 38,157.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,309.96 : 69,429.08 = 27,649.60 : x
  2. Step 2: Convert to fraction form
    50,309.96/69,429.08 = 27,649.60/x
  3. Step 3: Cross multiply
    50,309.96x = 69,429.08 × 27,649.60
  4. Step 4: Simplify right side
    50,309.96x = 1,919,686,290.37
  5. Step 5: Solve for x
    x = 1,919,686,290.37/50,309.96
  6. Step 6: Final answer
    x = 38,157.18

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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.