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Finding the Fourth Proportional to 61,052.52, 91,593 and 18,930.42

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Solution

The fourth proportional to 61,052.52, 91,593 and 18,930.42 is: 28,400.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,052.52 : 91,593 = 18,930.42 : x
  2. Step 2: Convert to fraction form
    61,052.52/91,593 = 18,930.42/x
  3. Step 3: Cross multiply
    61,052.52x = 91,593 × 18,930.42
  4. Step 4: Simplify right side
    61,052.52x = 1,733,893,959.06
  5. Step 5: Solve for x
    x = 1,733,893,959.06/61,052.52
  6. Step 6: Final answer
    x = 28,400.04

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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.