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Finding the Fourth Proportional to 55,615.68, 83,406.09 and 18,167.22

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Solution

The fourth proportional to 55,615.68, 83,406.09 and 18,167.22 is: 27,245.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,615.68 : 83,406.09 = 18,167.22 : x
  2. Step 2: Convert to fraction form
    55,615.68/83,406.09 = 18,167.22/x
  3. Step 3: Cross multiply
    55,615.68x = 83,406.09 × 18,167.22
  4. Step 4: Simplify right side
    55,615.68x = 1,515,256,786.37
  5. Step 5: Solve for x
    x = 1,515,256,786.37/55,615.68
  6. Step 6: Final answer
    x = 27,245.14

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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.