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Finding the Fourth Proportional to 11,801.68, 17,713.44 and 5,962.42

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Solution

The fourth proportional to 11,801.68, 17,713.44 and 5,962.42 is: 8,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.68 : 17,713.44 = 5,962.42 : x
  2. Step 2: Convert to fraction form
    11,801.68/17,713.44 = 5,962.42/x
  3. Step 3: Cross multiply
    11,801.68x = 17,713.44 × 5,962.42
  4. Step 4: Simplify right side
    11,801.68x = 105,614,968.92
  5. Step 5: Solve for x
    x = 105,614,968.92/11,801.68
  6. Step 6: Final answer
    x = 8,949.15

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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.