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Finding the Fourth Proportional to 32,480.38, 48,579.84 and 19,121.54

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Solution

The fourth proportional to 32,480.38, 48,579.84 and 19,121.54 is: 28,599.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,480.38 : 48,579.84 = 19,121.54 : x
  2. Step 2: Convert to fraction form
    32,480.38/48,579.84 = 19,121.54/x
  3. Step 3: Cross multiply
    32,480.38x = 48,579.84 × 19,121.54
  4. Step 4: Simplify right side
    32,480.38x = 928,921,353.75
  5. Step 5: Solve for x
    x = 928,921,353.75/32,480.38
  6. Step 6: Final answer
    x = 28,599.46

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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.