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Finding the Fourth Proportional to 1,786.93, 2,466.07 and 1,000.97

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Solution

The fourth proportional to 1,786.93, 2,466.07 and 1,000.97 is: 1,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.93 : 2,466.07 = 1,000.97 : x
  2. Step 2: Convert to fraction form
    1,786.93/2,466.07 = 1,000.97/x
  3. Step 3: Cross multiply
    1,786.93x = 2,466.07 × 1,000.97
  4. Step 4: Simplify right side
    1,786.93x = 2,468,462.09
  5. Step 5: Solve for x
    x = 2,468,462.09/1,786.93
  6. Step 6: Final answer
    x = 1,381.40

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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.