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Finding the Fourth Proportional to 40,958.38, 61,452.38 and 14,308.32

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Solution

The fourth proportional to 40,958.38, 61,452.38 and 14,308.32 is: 21,467.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,958.38 : 61,452.38 = 14,308.32 : x
  2. Step 2: Convert to fraction form
    40,958.38/61,452.38 = 14,308.32/x
  3. Step 3: Cross multiply
    40,958.38x = 61,452.38 × 14,308.32
  4. Step 4: Simplify right side
    40,958.38x = 879,280,317.80
  5. Step 5: Solve for x
    x = 879,280,317.80/40,958.38
  6. Step 6: Final answer
    x = 21,467.65

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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.