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Finding the Fourth Proportional to 2,363.77, 3,545.66 and 803.94

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Solution

The fourth proportional to 2,363.77, 3,545.66 and 803.94 is: 1,205.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.77 : 3,545.66 = 803.94 : x
  2. Step 2: Convert to fraction form
    2,363.77/3,545.66 = 803.94/x
  3. Step 3: Cross multiply
    2,363.77x = 3,545.66 × 803.94
  4. Step 4: Simplify right side
    2,363.77x = 2,850,497.90
  5. Step 5: Solve for x
    x = 2,850,497.90/2,363.77
  6. Step 6: Final answer
    x = 1,205.91

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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.