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Finding the Fourth Proportional to 48,682.60, 72,875.97 and 43,466.60

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Solution

The fourth proportional to 48,682.60, 72,875.97 and 43,466.60 is: 65,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,682.60 : 72,875.97 = 43,466.60 : x
  2. Step 2: Convert to fraction form
    48,682.60/72,875.97 = 43,466.60/x
  3. Step 3: Cross multiply
    48,682.60x = 72,875.97 × 43,466.60
  4. Step 4: Simplify right side
    48,682.60x = 3,167,670,819.79
  5. Step 5: Solve for x
    x = 3,167,670,819.79/48,682.60
  6. Step 6: Final answer
    x = 65,067.83

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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.