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Finding the Fourth Proportional to 61,546.92, 84,935.88 and 36,071.64

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Solution

The fourth proportional to 61,546.92, 84,935.88 and 36,071.64 is: 49,779.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,546.92 : 84,935.88 = 36,071.64 : x
  2. Step 2: Convert to fraction form
    61,546.92/84,935.88 = 36,071.64/x
  3. Step 3: Cross multiply
    61,546.92x = 84,935.88 × 36,071.64
  4. Step 4: Simplify right side
    61,546.92x = 3,063,776,486.44
  5. Step 5: Solve for x
    x = 3,063,776,486.44/61,546.92
  6. Step 6: Final answer
    x = 49,779.53

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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.