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Finding the Fourth Proportional to 61,435.44, 84,755.16 and 37,554.48

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Solution

The fourth proportional to 61,435.44, 84,755.16 and 37,554.48 is: 51,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,435.44 : 84,755.16 = 37,554.48 : x
  2. Step 2: Convert to fraction form
    61,435.44/84,755.16 = 37,554.48/x
  3. Step 3: Cross multiply
    61,435.44x = 84,755.16 × 37,554.48
  4. Step 4: Simplify right side
    61,435.44x = 3,182,935,961.12
  5. Step 5: Solve for x
    x = 3,182,935,961.12/61,435.44
  6. Step 6: Final answer
    x = 51,809.44

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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.