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Finding the Fourth Proportional to 40,802.83, 61,213.10 and 16,787.27

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Solution

The fourth proportional to 40,802.83, 61,213.10 and 16,787.27 is: 25,184.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,802.83 : 61,213.10 = 16,787.27 : x
  2. Step 2: Convert to fraction form
    40,802.83/61,213.10 = 16,787.27/x
  3. Step 3: Cross multiply
    40,802.83x = 61,213.10 × 16,787.27
  4. Step 4: Simplify right side
    40,802.83x = 1,027,600,906.33
  5. Step 5: Solve for x
    x = 1,027,600,906.33/40,802.83
  6. Step 6: Final answer
    x = 25,184.55

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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.