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Finding the Fourth Proportional to 1,786.98, 2,466.12 and 1,001.10

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Solution

The fourth proportional to 1,786.98, 2,466.12 and 1,001.10 is: 1,381.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.98 : 2,466.12 = 1,001.10 : x
  2. Step 2: Convert to fraction form
    1,786.98/2,466.12 = 1,001.10/x
  3. Step 3: Cross multiply
    1,786.98x = 2,466.12 × 1,001.10
  4. Step 4: Simplify right side
    1,786.98x = 2,468,832.73
  5. Step 5: Solve for x
    x = 2,468,832.73/1,786.98
  6. Step 6: Final answer
    x = 1,381.57

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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.