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Finding the Fourth Proportional to 11,608.08, 17,412.08 and 5,768.80

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Solution

The fourth proportional to 11,608.08, 17,412.08 and 5,768.80 is: 8,653.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,608.08 : 17,412.08 = 5,768.80 : x
  2. Step 2: Convert to fraction form
    11,608.08/17,412.08 = 5,768.80/x
  3. Step 3: Cross multiply
    11,608.08x = 17,412.08 × 5,768.80
  4. Step 4: Simplify right side
    11,608.08x = 100,446,807.10
  5. Step 5: Solve for x
    x = 100,446,807.10/11,608.08
  6. Step 6: Final answer
    x = 8,653.18

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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.