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Finding the Fourth Proportional to 61,871.94, 85,381.98 and 33,577.62

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Solution

The fourth proportional to 61,871.94, 85,381.98 and 33,577.62 is: 46,336.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,871.94 : 85,381.98 = 33,577.62 : x
  2. Step 2: Convert to fraction form
    61,871.94/85,381.98 = 33,577.62/x
  3. Step 3: Cross multiply
    61,871.94x = 85,381.98 × 33,577.62
  4. Step 4: Simplify right side
    61,871.94x = 2,866,923,679.29
  5. Step 5: Solve for x
    x = 2,866,923,679.29/61,871.94
  6. Step 6: Final answer
    x = 46,336.41

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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.