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Finding the Fourth Proportional to 55,536.80, 83,305.13 and 18,096.80

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Solution

The fourth proportional to 55,536.80, 83,305.13 and 18,096.80 is: 27,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,536.80 : 83,305.13 = 18,096.80 : x
  2. Step 2: Convert to fraction form
    55,536.80/83,305.13 = 18,096.80/x
  3. Step 3: Cross multiply
    55,536.80x = 83,305.13 × 18,096.80
  4. Step 4: Simplify right side
    55,536.80x = 1,507,555,769.57
  5. Step 5: Solve for x
    x = 1,507,555,769.57/55,536.80
  6. Step 6: Final answer
    x = 27,145.17

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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.