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Finding the Fourth Proportional to 61,892, 85,410.96 and 33,597.92

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Solution

The fourth proportional to 61,892, 85,410.96 and 33,597.92 is: 46,365.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,892 : 85,410.96 = 33,597.92 : x
  2. Step 2: Convert to fraction form
    61,892/85,410.96 = 33,597.92/x
  3. Step 3: Cross multiply
    61,892x = 85,410.96 × 33,597.92
  4. Step 4: Simplify right side
    61,892x = 2,869,630,601.20
  5. Step 5: Solve for x
    x = 2,869,630,601.20/61,892
  6. Step 6: Final answer
    x = 46,365.13

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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.