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Finding the Fourth Proportional to 61,927.88, 85,460.90 and 33,633.56

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Solution

The fourth proportional to 61,927.88, 85,460.90 and 33,633.56 is: 46,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,927.88 : 85,460.90 = 33,633.56 : x
  2. Step 2: Convert to fraction form
    61,927.88/85,460.90 = 33,633.56/x
  3. Step 3: Cross multiply
    61,927.88x = 85,460.90 × 33,633.56
  4. Step 4: Simplify right side
    61,927.88x = 2,874,354,353.29
  5. Step 5: Solve for x
    x = 2,874,354,353.29/61,927.88
  6. Step 6: Final answer
    x = 46,414.55

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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.