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Finding the Fourth Proportional to 55,507.80, 83,262.48 and 18,068.08

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Solution

The fourth proportional to 55,507.80, 83,262.48 and 18,068.08 is: 27,102.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,507.80 : 83,262.48 = 18,068.08 : x
  2. Step 2: Convert to fraction form
    55,507.80/83,262.48 = 18,068.08/x
  3. Step 3: Cross multiply
    55,507.80x = 83,262.48 × 18,068.08
  4. Step 4: Simplify right side
    55,507.80x = 1,504,393,149.64
  5. Step 5: Solve for x
    x = 1,504,393,149.64/55,507.80
  6. Step 6: Final answer
    x = 27,102.37

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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.