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Finding the Fourth Proportional to 1,805.16, 2,703.18 and 1,511.94

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Solution

The fourth proportional to 1,805.16, 2,703.18 and 1,511.94 is: 2,264.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.16 : 2,703.18 = 1,511.94 : x
  2. Step 2: Convert to fraction form
    1,805.16/2,703.18 = 1,511.94/x
  3. Step 3: Cross multiply
    1,805.16x = 2,703.18 × 1,511.94
  4. Step 4: Simplify right side
    1,805.16x = 4,087,045.97
  5. Step 5: Solve for x
    x = 4,087,045.97/1,805.16
  6. Step 6: Final answer
    x = 2,264.09

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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.