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Finding the Fourth Proportional to 41,196.40, 61,780.20 and 21,468.40

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Solution

The fourth proportional to 41,196.40, 61,780.20 and 21,468.40 is: 32,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,196.40 : 61,780.20 = 21,468.40 : x
  2. Step 2: Convert to fraction form
    41,196.40/61,780.20 = 21,468.40/x
  3. Step 3: Cross multiply
    41,196.40x = 61,780.20 × 21,468.40
  4. Step 4: Simplify right side
    41,196.40x = 1,326,322,045.68
  5. Step 5: Solve for x
    x = 1,326,322,045.68/41,196.40
  6. Step 6: Final answer
    x = 32,195.10

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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.