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Finding the Fourth Proportional to 11,703.15, 17,551.08 and 3,910.14

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Solution

The fourth proportional to 11,703.15, 17,551.08 and 3,910.14 is: 5,863.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.15 : 17,551.08 = 3,910.14 : x
  2. Step 2: Convert to fraction form
    11,703.15/17,551.08 = 3,910.14/x
  3. Step 3: Cross multiply
    11,703.15x = 17,551.08 × 3,910.14
  4. Step 4: Simplify right side
    11,703.15x = 68,627,204.28
  5. Step 5: Solve for x
    x = 68,627,204.28/11,703.15
  6. Step 6: Final answer
    x = 5,863.99

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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.