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Finding the Fourth Proportional to 32,202.78, 48,282.30 and 20,363.82

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Solution

The fourth proportional to 32,202.78, 48,282.30 and 20,363.82 is: 30,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,202.78 : 48,282.30 = 20,363.82 : x
  2. Step 2: Convert to fraction form
    32,202.78/48,282.30 = 20,363.82/x
  3. Step 3: Cross multiply
    32,202.78x = 48,282.30 × 20,363.82
  4. Step 4: Simplify right side
    32,202.78x = 983,212,066.39
  5. Step 5: Solve for x
    x = 983,212,066.39/32,202.78
  6. Step 6: Final answer
    x = 30,531.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.