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Finding the Fourth Proportional to 35,354, 48,789.68 and 19,439.60

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Solution

The fourth proportional to 35,354, 48,789.68 and 19,439.60 is: 26,827.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,354 : 48,789.68 = 19,439.60 : x
  2. Step 2: Convert to fraction form
    35,354/48,789.68 = 19,439.60/x
  3. Step 3: Cross multiply
    35,354x = 48,789.68 × 19,439.60
  4. Step 4: Simplify right side
    35,354x = 948,451,863.33
  5. Step 5: Solve for x
    x = 948,451,863.33/35,354
  6. Step 6: Final answer
    x = 26,827.29

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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.