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Finding the Fourth Proportional to 11,791.14, 17,686.72 and 3,026.06

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Solution

The fourth proportional to 11,791.14, 17,686.72 and 3,026.06 is: 4,539.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.14 : 17,686.72 = 3,026.06 : x
  2. Step 2: Convert to fraction form
    11,791.14/17,686.72 = 3,026.06/x
  3. Step 3: Cross multiply
    11,791.14x = 17,686.72 × 3,026.06
  4. Step 4: Simplify right side
    11,791.14x = 53,521,075.92
  5. Step 5: Solve for x
    x = 53,521,075.92/11,791.14
  6. Step 6: Final answer
    x = 4,539.09

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1.5x scale

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.