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Finding the Fourth Proportional to 14,791.77, 20,411.73 and 8,504.13

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Solution

The fourth proportional to 14,791.77, 20,411.73 and 8,504.13 is: 11,735.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,791.77 : 20,411.73 = 8,504.13 : x
  2. Step 2: Convert to fraction form
    14,791.77/20,411.73 = 8,504.13/x
  3. Step 3: Cross multiply
    14,791.77x = 20,411.73 × 8,504.13
  4. Step 4: Simplify right side
    14,791.77x = 173,584,005.44
  5. Step 5: Solve for x
    x = 173,584,005.44/14,791.77
  6. Step 6: Final answer
    x = 11,735.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.