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Finding the Fourth Proportional to 32,950.60, 45,470.83 and 18,611

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Solution

The fourth proportional to 32,950.60, 45,470.83 and 18,611 is: 25,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,950.60 : 45,470.83 = 18,611 : x
  2. Step 2: Convert to fraction form
    32,950.60/45,470.83 = 18,611/x
  3. Step 3: Cross multiply
    32,950.60x = 45,470.83 × 18,611
  4. Step 4: Simplify right side
    32,950.60x = 846,257,617.13
  5. Step 5: Solve for x
    x = 846,257,617.13/32,950.60
  6. Step 6: Final answer
    x = 25,682.62

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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.