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Finding the Fourth Proportional to 11,340.63, 17,010.90 and 3,020.63

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Solution

The fourth proportional to 11,340.63, 17,010.90 and 3,020.63 is: 4,530.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.63 : 17,010.90 = 3,020.63 : x
  2. Step 2: Convert to fraction form
    11,340.63/17,010.90 = 3,020.63/x
  3. Step 3: Cross multiply
    11,340.63x = 17,010.90 × 3,020.63
  4. Step 4: Simplify right side
    11,340.63x = 51,383,549.81
  5. Step 5: Solve for x
    x = 51,383,549.81/11,340.63
  6. Step 6: Final answer
    x = 4,530.93

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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.