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Finding the Fourth Proportional to 41,296.66, 61,949.07 and 13,209.66

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Solution

The fourth proportional to 41,296.66, 61,949.07 and 13,209.66 is: 19,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,296.66 : 61,949.07 = 13,209.66 : x
  2. Step 2: Convert to fraction form
    41,296.66/61,949.07 = 13,209.66/x
  3. Step 3: Cross multiply
    41,296.66x = 61,949.07 × 13,209.66
  4. Step 4: Simplify right side
    41,296.66x = 818,326,152.02
  5. Step 5: Solve for x
    x = 818,326,152.02/41,296.66
  6. Step 6: Final answer
    x = 19,815.80

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