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Finding the Fourth Proportional to 55,884.93, 83,817.46 and 18,445.51

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Solution

The fourth proportional to 55,884.93, 83,817.46 and 18,445.51 is: 27,664.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,884.93 : 83,817.46 = 18,445.51 : x
  2. Step 2: Convert to fraction form
    55,884.93/83,817.46 = 18,445.51/x
  3. Step 3: Cross multiply
    55,884.93x = 83,817.46 × 18,445.51
  4. Step 4: Simplify right side
    55,884.93x = 1,546,055,796.60
  5. Step 5: Solve for x
    x = 1,546,055,796.60/55,884.93
  6. Step 6: Final answer
    x = 27,664.99

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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.