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Finding the Fourth Proportional to 61,670.97, 85,106.16 and 33,376.59

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Solution

The fourth proportional to 61,670.97, 85,106.16 and 33,376.59 is: 46,059.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,670.97 : 85,106.16 = 33,376.59 : x
  2. Step 2: Convert to fraction form
    61,670.97/85,106.16 = 33,376.59/x
  3. Step 3: Cross multiply
    61,670.97x = 85,106.16 × 33,376.59
  4. Step 4: Simplify right side
    61,670.97x = 2,840,553,408.79
  5. Step 5: Solve for x
    x = 2,840,553,408.79/61,670.97
  6. Step 6: Final answer
    x = 46,059.81

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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.