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Finding the Fourth Proportional to 2,511.84, 3,767.34 and 846.07

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Solution

The fourth proportional to 2,511.84, 3,767.34 and 846.07 is: 1,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.84 : 3,767.34 = 846.07 : x
  2. Step 2: Convert to fraction form
    2,511.84/3,767.34 = 846.07/x
  3. Step 3: Cross multiply
    2,511.84x = 3,767.34 × 846.07
  4. Step 4: Simplify right side
    2,511.84x = 3,187,437.70
  5. Step 5: Solve for x
    x = 3,187,437.70/2,511.84
  6. Step 6: Final answer
    x = 1,268.97

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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.