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Finding the Fourth Proportional to 11,362.72, 17,053.08 and 4,793.44

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Solution

The fourth proportional to 11,362.72, 17,053.08 and 4,793.44 is: 7,193.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.72 : 17,053.08 = 4,793.44 : x
  2. Step 2: Convert to fraction form
    11,362.72/17,053.08 = 4,793.44/x
  3. Step 3: Cross multiply
    11,362.72x = 17,053.08 × 4,793.44
  4. Step 4: Simplify right side
    11,362.72x = 81,742,915.80
  5. Step 5: Solve for x
    x = 81,742,915.80/11,362.72
  6. Step 6: Final answer
    x = 7,193.96

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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.