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Finding the Fourth Proportional to 61,894.96, 85,415.48 and 33,600.65

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Solution

The fourth proportional to 61,894.96, 85,415.48 and 33,600.65 is: 46,369.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,894.96 : 85,415.48 = 33,600.65 : x
  2. Step 2: Convert to fraction form
    61,894.96/85,415.48 = 33,600.65/x
  3. Step 3: Cross multiply
    61,894.96x = 85,415.48 × 33,600.65
  4. Step 4: Simplify right side
    61,894.96x = 2,870,015,178.98
  5. Step 5: Solve for x
    x = 2,870,015,178.98/61,894.96
  6. Step 6: Final answer
    x = 46,369.13

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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.