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Finding the Fourth Proportional to 32,939, 45,455.82 and 18,035

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Solution

The fourth proportional to 32,939, 45,455.82 and 18,035 is: 24,888.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,939 : 45,455.82 = 18,035 : x
  2. Step 2: Convert to fraction form
    32,939/45,455.82 = 18,035/x
  3. Step 3: Cross multiply
    32,939x = 45,455.82 × 18,035
  4. Step 4: Simplify right side
    32,939x = 819,795,713.70
  5. Step 5: Solve for x
    x = 819,795,713.70/32,939
  6. Step 6: Final answer
    x = 24,888.30

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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.