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Finding the Fourth Proportional to 11,913.13, 17,874.56 and 9,594.91

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Solution

The fourth proportional to 11,913.13, 17,874.56 and 9,594.91 is: 14,396.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.13 : 17,874.56 = 9,594.91 : x
  2. Step 2: Convert to fraction form
    11,913.13/17,874.56 = 9,594.91/x
  3. Step 3: Cross multiply
    11,913.13x = 17,874.56 × 9,594.91
  4. Step 4: Simplify right side
    11,913.13x = 171,504,794.49
  5. Step 5: Solve for x
    x = 171,504,794.49/11,913.13
  6. Step 6: Final answer
    x = 14,396.28

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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.