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Finding the Fourth Proportional to 61,943.96, 85,467.96 and 36,451.44

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Solution

The fourth proportional to 61,943.96, 85,467.96 and 36,451.44 is: 50,294.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,943.96 : 85,467.96 = 36,451.44 : x
  2. Step 2: Convert to fraction form
    61,943.96/85,467.96 = 36,451.44/x
  3. Step 3: Cross multiply
    61,943.96x = 85,467.96 × 36,451.44
  4. Step 4: Simplify right side
    61,943.96x = 3,115,430,215.86
  5. Step 5: Solve for x
    x = 3,115,430,215.86/61,943.96
  6. Step 6: Final answer
    x = 50,294.33

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1.5x scale

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.