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Finding the Fourth Proportional to 11,684.25, 17,526.42 and 2,919.17

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Solution

The fourth proportional to 11,684.25, 17,526.42 and 2,919.17 is: 4,378.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684.25 : 17,526.42 = 2,919.17 : x
  2. Step 2: Convert to fraction form
    11,684.25/17,526.42 = 2,919.17/x
  3. Step 3: Cross multiply
    11,684.25x = 17,526.42 × 2,919.17
  4. Step 4: Simplify right side
    11,684.25x = 51,162,497.24
  5. Step 5: Solve for x
    x = 51,162,497.24/11,684.25
  6. Step 6: Final answer
    x = 4,378.76

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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.