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Finding the Fourth Proportional to 55,833.69, 83,763.48 and 18,392.42

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Solution

The fourth proportional to 55,833.69, 83,763.48 and 18,392.42 is: 27,592.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,833.69 : 83,763.48 = 18,392.42 : x
  2. Step 2: Convert to fraction form
    55,833.69/83,763.48 = 18,392.42/x
  3. Step 3: Cross multiply
    55,833.69x = 83,763.48 × 18,392.42
  4. Step 4: Simplify right side
    55,833.69x = 1,540,612,686.00
  5. Step 5: Solve for x
    x = 1,540,612,686.00/55,833.69
  6. Step 6: Final answer
    x = 27,592.89

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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.