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Finding the Fourth Proportional to 61,155.90, 84,395.84 and 33,932.49

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Solution

The fourth proportional to 61,155.90, 84,395.84 and 33,932.49 is: 46,827.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,155.90 : 84,395.84 = 33,932.49 : x
  2. Step 2: Convert to fraction form
    61,155.90/84,395.84 = 33,932.49/x
  3. Step 3: Cross multiply
    61,155.90x = 84,395.84 × 33,932.49
  4. Step 4: Simplify right side
    61,155.90x = 2,863,760,996.84
  5. Step 5: Solve for x
    x = 2,863,760,996.84/61,155.90
  6. Step 6: Final answer
    x = 46,827.22

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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.