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Finding the Fourth Proportional to 11,701.29, 17,521.08 and 7,010.18

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Solution

The fourth proportional to 11,701.29, 17,521.08 and 7,010.18 is: 10,496.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.29 : 17,521.08 = 7,010.18 : x
  2. Step 2: Convert to fraction form
    11,701.29/17,521.08 = 7,010.18/x
  3. Step 3: Cross multiply
    11,701.29x = 17,521.08 × 7,010.18
  4. Step 4: Simplify right side
    11,701.29x = 122,825,836.99
  5. Step 5: Solve for x
    x = 122,825,836.99/11,701.29
  6. Step 6: Final answer
    x = 10,496.78

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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.