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Finding the Fourth Proportional to 41,110.40, 61,665.60 and 34,986.80

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Solution

The fourth proportional to 41,110.40, 61,665.60 and 34,986.80 is: 52,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,110.40 : 61,665.60 = 34,986.80 : x
  2. Step 2: Convert to fraction form
    41,110.40/61,665.60 = 34,986.80/x
  3. Step 3: Cross multiply
    41,110.40x = 61,665.60 × 34,986.80
  4. Step 4: Simplify right side
    41,110.40x = 2,157,482,014.08
  5. Step 5: Solve for x
    x = 2,157,482,014.08/41,110.40
  6. Step 6: Final answer
    x = 52,480.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.