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Finding the Fourth Proportional to 11,663.42, 17,371.42 and 11,606.92

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Solution

The fourth proportional to 11,663.42, 17,371.42 and 11,606.92 is: 17,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,663.42 : 17,371.42 = 11,606.92 : x
  2. Step 2: Convert to fraction form
    11,663.42/17,371.42 = 11,606.92/x
  3. Step 3: Cross multiply
    11,663.42x = 17,371.42 × 11,606.92
  4. Step 4: Simplify right side
    11,663.42x = 201,628,682.23
  5. Step 5: Solve for x
    x = 201,628,682.23/11,663.42
  6. Step 6: Final answer
    x = 17,287.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.