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Finding the Fourth Proportional to 11,168.17, 16,751.79 and 2,848.39

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Solution

The fourth proportional to 11,168.17, 16,751.79 and 2,848.39 is: 4,272.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.17 : 16,751.79 = 2,848.39 : x
  2. Step 2: Convert to fraction form
    11,168.17/16,751.79 = 2,848.39/x
  3. Step 3: Cross multiply
    11,168.17x = 16,751.79 × 2,848.39
  4. Step 4: Simplify right side
    11,168.17x = 47,715,533.12
  5. Step 5: Solve for x
    x = 47,715,533.12/11,168.17
  6. Step 6: Final answer
    x = 4,272.46

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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.