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Finding the Fourth Proportional to 32,945.50, 45,464.82 and 18,802.90

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Solution

The fourth proportional to 32,945.50, 45,464.82 and 18,802.90 is: 25,948.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,945.50 : 45,464.82 = 18,802.90 : x
  2. Step 2: Convert to fraction form
    32,945.50/45,464.82 = 18,802.90/x
  3. Step 3: Cross multiply
    32,945.50x = 45,464.82 × 18,802.90
  4. Step 4: Simplify right side
    32,945.50x = 854,870,463.98
  5. Step 5: Solve for x
    x = 854,870,463.98/32,945.50
  6. Step 6: Final answer
    x = 25,948.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.