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Finding the Fourth Proportional to 32,280.96, 48,425.28 and 13,810.56

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Solution

The fourth proportional to 32,280.96, 48,425.28 and 13,810.56 is: 20,717.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,280.96 : 48,425.28 = 13,810.56 : x
  2. Step 2: Convert to fraction form
    32,280.96/48,425.28 = 13,810.56/x
  3. Step 3: Cross multiply
    32,280.96x = 48,425.28 × 13,810.56
  4. Step 4: Simplify right side
    32,280.96x = 668,780,234.96
  5. Step 5: Solve for x
    x = 668,780,234.96/32,280.96
  6. Step 6: Final answer
    x = 20,717.48

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