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Finding the Fourth Proportional to 32,922.86, 45,434.32 and 18,775.40

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Solution

The fourth proportional to 32,922.86, 45,434.32 and 18,775.40 is: 25,910.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,922.86 : 45,434.32 = 18,775.40 : x
  2. Step 2: Convert to fraction form
    32,922.86/45,434.32 = 18,775.40/x
  3. Step 3: Cross multiply
    32,922.86x = 45,434.32 × 18,775.40
  4. Step 4: Simplify right side
    32,922.86x = 853,047,257.62
  5. Step 5: Solve for x
    x = 853,047,257.62/32,922.86
  6. Step 6: Final answer
    x = 25,910.49

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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.