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Finding the Fourth Proportional to 55,103.88, 76,043.28 and 32,747.88

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Solution

The fourth proportional to 55,103.88, 76,043.28 and 32,747.88 is: 45,192.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,103.88 : 76,043.28 = 32,747.88 : x
  2. Step 2: Convert to fraction form
    55,103.88/76,043.28 = 32,747.88/x
  3. Step 3: Cross multiply
    55,103.88x = 76,043.28 × 32,747.88
  4. Step 4: Simplify right side
    55,103.88x = 2,490,256,208.25
  5. Step 5: Solve for x
    x = 2,490,256,208.25/55,103.88
  6. Step 6: Final answer
    x = 45,192.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.