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Finding the Fourth Proportional to 55,505.80, 83,259.49 and 18,066.07

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Solution

The fourth proportional to 55,505.80, 83,259.49 and 18,066.07 is: 27,099.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,505.80 : 83,259.49 = 18,066.07 : x
  2. Step 2: Convert to fraction form
    55,505.80/83,259.49 = 18,066.07/x
  3. Step 3: Cross multiply
    55,505.80x = 83,259.49 × 18,066.07
  4. Step 4: Simplify right side
    55,505.80x = 1,504,171,774.50
  5. Step 5: Solve for x
    x = 1,504,171,774.50/55,505.80
  6. Step 6: Final answer
    x = 27,099.36

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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.