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Finding the Fourth Proportional to 11,606.48, 17,412.60 and 3,398.48

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Solution

The fourth proportional to 11,606.48, 17,412.60 and 3,398.48 is: 5,098.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,606.48 : 17,412.60 = 3,398.48 : x
  2. Step 2: Convert to fraction form
    11,606.48/17,412.60 = 3,398.48/x
  3. Step 3: Cross multiply
    11,606.48x = 17,412.60 × 3,398.48
  4. Step 4: Simplify right side
    11,606.48x = 59,176,372.85
  5. Step 5: Solve for x
    x = 59,176,372.85/11,606.48
  6. Step 6: Final answer
    x = 5,098.56

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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.