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Finding the Fourth Proportional to 11,335.74, 17,008.74 and 5,786.22

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Solution

The fourth proportional to 11,335.74, 17,008.74 and 5,786.22 is: 8,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.74 : 17,008.74 = 5,786.22 : x
  2. Step 2: Convert to fraction form
    11,335.74/17,008.74 = 5,786.22/x
  3. Step 3: Cross multiply
    11,335.74x = 17,008.74 × 5,786.22
  4. Step 4: Simplify right side
    11,335.74x = 98,416,311.56
  5. Step 5: Solve for x
    x = 98,416,311.56/11,335.74
  6. Step 6: Final answer
    x = 8,681.95

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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.