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Finding the Fourth Proportional to 32,892.54, 45,381.35 and 20,132.42

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Solution

The fourth proportional to 32,892.54, 45,381.35 and 20,132.42 is: 27,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,892.54 : 45,381.35 = 20,132.42 : x
  2. Step 2: Convert to fraction form
    32,892.54/45,381.35 = 20,132.42/x
  3. Step 3: Cross multiply
    32,892.54x = 45,381.35 × 20,132.42
  4. Step 4: Simplify right side
    32,892.54x = 913,636,297.70
  5. Step 5: Solve for x
    x = 913,636,297.70/32,892.54
  6. Step 6: Final answer
    x = 27,776.40

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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.