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Finding the Fourth Proportional to 55,367.50, 83,051.26 and 17,958.88

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Solution

The fourth proportional to 55,367.50, 83,051.26 and 17,958.88 is: 26,938.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,367.50 : 83,051.26 = 17,958.88 : x
  2. Step 2: Convert to fraction form
    55,367.50/83,051.26 = 17,958.88/x
  3. Step 3: Cross multiply
    55,367.50x = 83,051.26 × 17,958.88
  4. Step 4: Simplify right side
    55,367.50x = 1,491,507,612.19
  5. Step 5: Solve for x
    x = 1,491,507,612.19/55,367.50
  6. Step 6: Final answer
    x = 26,938.32

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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.