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Finding the Fourth Proportional to 32,917, 45,426.60 and 18,013

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Solution

The fourth proportional to 32,917, 45,426.60 and 18,013 is: 24,858.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,917 : 45,426.60 = 18,013 : x
  2. Step 2: Convert to fraction form
    32,917/45,426.60 = 18,013/x
  3. Step 3: Cross multiply
    32,917x = 45,426.60 × 18,013
  4. Step 4: Simplify right side
    32,917x = 818,269,345.80
  5. Step 5: Solve for x
    x = 818,269,345.80/32,917
  6. Step 6: Final answer
    x = 24,858.56

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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.