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Finding the Fourth Proportional to 11,753.58, 17,640.09 and 8,822.46

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Solution

The fourth proportional to 11,753.58, 17,640.09 and 8,822.46 is: 13,240.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,753.58 : 17,640.09 = 8,822.46 : x
  2. Step 2: Convert to fraction form
    11,753.58/17,640.09 = 8,822.46/x
  3. Step 3: Cross multiply
    11,753.58x = 17,640.09 × 8,822.46
  4. Step 4: Simplify right side
    11,753.58x = 155,628,988.42
  5. Step 5: Solve for x
    x = 155,628,988.42/11,753.58
  6. Step 6: Final answer
    x = 13,240.99

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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.