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Finding the Fourth Proportional to 11,362, 17,043.96 and 3,154

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Solution

The fourth proportional to 11,362, 17,043.96 and 3,154 is: 4,731.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362 : 17,043.96 = 3,154 : x
  2. Step 2: Convert to fraction form
    11,362/17,043.96 = 3,154/x
  3. Step 3: Cross multiply
    11,362x = 17,043.96 × 3,154
  4. Step 4: Simplify right side
    11,362x = 53,756,649.84
  5. Step 5: Solve for x
    x = 53,756,649.84/11,362
  6. Step 6: Final answer
    x = 4,731.27

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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.