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Finding the Fourth Proportional to 10,893.62, 16,342.55 and 3,497.51

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Solution

The fourth proportional to 10,893.62, 16,342.55 and 3,497.51 is: 5,246.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.62 : 16,342.55 = 3,497.51 : x
  2. Step 2: Convert to fraction form
    10,893.62/16,342.55 = 3,497.51/x
  3. Step 3: Cross multiply
    10,893.62x = 16,342.55 × 3,497.51
  4. Step 4: Simplify right side
    10,893.62x = 57,158,232.05
  5. Step 5: Solve for x
    x = 57,158,232.05/10,893.62
  6. Step 6: Final answer
    x = 5,246.95

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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.