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Finding the Fourth Proportional to 49,280.32, 73,893.84 and 15,539.97

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Solution

The fourth proportional to 49,280.32, 73,893.84 and 15,539.97 is: 23,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,280.32 : 73,893.84 = 15,539.97 : x
  2. Step 2: Convert to fraction form
    49,280.32/73,893.84 = 15,539.97/x
  3. Step 3: Cross multiply
    49,280.32x = 73,893.84 × 15,539.97
  4. Step 4: Simplify right side
    49,280.32x = 1,148,307,872.05
  5. Step 5: Solve for x
    x = 1,148,307,872.05/49,280.32
  6. Step 6: Final answer
    x = 23,301.55

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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.