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Finding the Fourth Proportional to 61,494.84, 84,829.74 and 41,112.12

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Solution

The fourth proportional to 61,494.84, 84,829.74 and 41,112.12 is: 56,712.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,494.84 : 84,829.74 = 41,112.12 : x
  2. Step 2: Convert to fraction form
    61,494.84/84,829.74 = 41,112.12/x
  3. Step 3: Cross multiply
    61,494.84x = 84,829.74 × 41,112.12
  4. Step 4: Simplify right side
    61,494.84x = 3,487,530,450.45
  5. Step 5: Solve for x
    x = 3,487,530,450.45/61,494.84
  6. Step 6: Final answer
    x = 56,712.57

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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.