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Finding the Fourth Proportional to 41,290.56, 61,619.40 and 36,861.84

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Solution

The fourth proportional to 41,290.56, 61,619.40 and 36,861.84 is: 55,010.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,290.56 : 61,619.40 = 36,861.84 : x
  2. Step 2: Convert to fraction form
    41,290.56/61,619.40 = 36,861.84/x
  3. Step 3: Cross multiply
    41,290.56x = 61,619.40 × 36,861.84
  4. Step 4: Simplify right side
    41,290.56x = 2,271,404,463.70
  5. Step 5: Solve for x
    x = 2,271,404,463.70/41,290.56
  6. Step 6: Final answer
    x = 55,010.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.