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Finding the Fourth Proportional to 17,661.03, 26,494.01 and 5,971.11

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Solution

The fourth proportional to 17,661.03, 26,494.01 and 5,971.11 is: 8,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,661.03 : 26,494.01 = 5,971.11 : x
  2. Step 2: Convert to fraction form
    17,661.03/26,494.01 = 5,971.11/x
  3. Step 3: Cross multiply
    17,661.03x = 26,494.01 × 5,971.11
  4. Step 4: Simplify right side
    17,661.03x = 158,198,618.20
  5. Step 5: Solve for x
    x = 158,198,618.20/17,661.03
  6. Step 6: Final answer
    x = 8,957.50

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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.