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Finding the Fourth Proportional to 1,786.97, 2,466.17 and 1,001.07

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Solution

The fourth proportional to 1,786.97, 2,466.17 and 1,001.07 is: 1,381.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.97 : 2,466.17 = 1,001.07 : x
  2. Step 2: Convert to fraction form
    1,786.97/2,466.17 = 1,001.07/x
  3. Step 3: Cross multiply
    1,786.97x = 2,466.17 × 1,001.07
  4. Step 4: Simplify right side
    1,786.97x = 2,468,803.80
  5. Step 5: Solve for x
    x = 2,468,803.80/1,786.97
  6. Step 6: Final answer
    x = 1,381.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.